399217455

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{733}}^1$

素因数の和:790

約数の個数: 144

約数和(自身を含む): 913741920

約数和(自身を除く): 514524465

約数列:

[1, 3, 5, 7, 9, 13, 15, 19, 21, 35, 39, 45, 49, 57, 63, 65, 91, 95, 105, 117, 133, 147, 171, 195, 245, 247, 273, 285, 315, 399, 441, 455, 585, 637, 665, 733, 735, 741, 819, 855, 931, 1197, 1235, 1365, 1729, 1911, 1995, 2199, 2205, 2223, 2793, 3185, 3665, 3705, 4095, 4655, 5131, 5187, 5733, 5985, 6597, 8379, 8645, 9529, 9555, 10995, 11115, 12103, 13927, 13965, 15393, 15561, 25655, 25935, 28587, 28665, 32985, 35917, 36309, 41781, 41895, 46179, 47645, 60515, 66703, 69635, 76965, 77805, 85761, 97489, 107751, 108927, 125343, 142935, 179585, 181051, 181545, 200109, 208905, 230895, 292467, 323253, 333515, 428805, 466921, 487445, 538755, 543153, 544635, 600327, 626715, 682423, 877401, 905255, 1000545, 1267357, 1400763, 1462335, 1616265, 1629459, 2047269, 2334605, 2715765, 3001635, 3412115, 3802071, 4202289, 4387005, 6141807, 6336785, 7003815, 8147295, 8871499, 10236345, 11406213, 19010355, 21011445, 26614497, 30709035, 44357495, 57031065, 79843491, 133072485, 399217455]

約数ペア:

[(1, 399217455), (3, 133072485), (5, 79843491), (7, 57031065), (9, 44357495), (13, 30709035), (15, 26614497), (19, 21011445), (21, 19010355), (35, 11406213), (39, 10236345), (45, 8871499), (49, 8147295), (57, 7003815), (63, 6336785), (65, 6141807), (91, 4387005), (95, 4202289), (105, 3802071), (117, 3412115), (133, 3001635), (147, 2715765), (171, 2334605), (195, 2047269), (245, 1629459), (247, 1616265), (273, 1462335), (285, 1400763), (315, 1267357), (399, 1000545), (441, 905255), (455, 877401), (585, 682423), (637, 626715), (665, 600327), (733, 544635), (735, 543153), (741, 538755), (819, 487445), (855, 466921), (931, 428805), (1197, 333515), (1235, 323253), (1365, 292467), (1729, 230895), (1911, 208905), (1995, 200109), (2199, 181545), (2205, 181051), (2223, 179585), (2793, 142935), (3185, 125343), (3665, 108927), (3705, 107751), (4095, 97489), (4655, 85761), (5131, 77805), (5187, 76965), (5733, 69635), (5985, 66703), (6597, 60515), (8379, 47645), (8645, 46179), (9529, 41895), (9555, 41781), (10995, 36309), (11115, 35917), (12103, 32985), (13927, 28665), (13965, 28587), (15393, 25935), (15561, 25655)]