20151495

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:94

約数の個数: 144

約数和(自身を含む): 47305440

約数和(自身を除く): 27153945

約数列:

[1, 3, 5, 7, 9, 13, 15, 19, 21, 35, 37, 39, 45, 49, 57, 63, 65, 91, 95, 105, 111, 117, 133, 147, 171, 185, 195, 245, 247, 259, 273, 285, 315, 333, 399, 441, 455, 481, 555, 585, 637, 665, 703, 735, 741, 777, 819, 855, 931, 1197, 1235, 1295, 1365, 1443, 1665, 1729, 1813, 1911, 1995, 2109, 2205, 2223, 2331, 2405, 2793, 3185, 3367, 3515, 3705, 3885, 4095, 4329, 4655, 4921, 5187, 5439, 5733, 5985, 6327, 7215, 8379, 8645, 9065, 9139, 9555, 10101, 10545, 11115, 11655, 12103, 13965, 14763, 15561, 16317, 16835, 21645, 23569, 24605, 25935, 27195, 27417, 28665, 30303, 31635, 34447, 36309, 41895, 44289, 45695, 50505, 60515, 63973, 70707, 73815, 77805, 81585, 82251, 103341, 108927, 117845, 137085, 151515, 172235, 181545, 191919, 212121, 221445, 310023, 319865, 353535, 411255, 447811, 516705, 544635, 575757, 959595, 1060605, 1343433, 1550115, 2239055, 2878785, 4030299, 6717165, 20151495]

約数ペア:

[(1, 20151495), (3, 6717165), (5, 4030299), (7, 2878785), (9, 2239055), (13, 1550115), (15, 1343433), (19, 1060605), (21, 959595), (35, 575757), (37, 544635), (39, 516705), (45, 447811), (49, 411255), (57, 353535), (63, 319865), (65, 310023), (91, 221445), (95, 212121), (105, 191919), (111, 181545), (117, 172235), (133, 151515), (147, 137085), (171, 117845), (185, 108927), (195, 103341), (245, 82251), (247, 81585), (259, 77805), (273, 73815), (285, 70707), (315, 63973), (333, 60515), (399, 50505), (441, 45695), (455, 44289), (481, 41895), (555, 36309), (585, 34447), (637, 31635), (665, 30303), (703, 28665), (735, 27417), (741, 27195), (777, 25935), (819, 24605), (855, 23569), (931, 21645), (1197, 16835), (1235, 16317), (1295, 15561), (1365, 14763), (1443, 13965), (1665, 12103), (1729, 11655), (1813, 11115), (1911, 10545), (1995, 10101), (2109, 9555), (2205, 9139), (2223, 9065), (2331, 8645), (2405, 8379), (2793, 7215), (3185, 6327), (3367, 5985), (3515, 5733), (3705, 5439), (3885, 5187), (4095, 4921), (4329, 4655)]