27441225

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 108

約数和(自身を含む): 60643440

約数和(自身を除く): 33202215

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 49, 57, 63, 75, 95, 105, 131, 133, 147, 171, 175, 225, 245, 285, 315, 393, 399, 441, 475, 525, 655, 665, 735, 855, 917, 931, 1179, 1197, 1225, 1425, 1575, 1965, 1995, 2205, 2489, 2751, 2793, 3275, 3325, 3675, 4275, 4585, 4655, 5895, 5985, 6419, 7467, 8253, 8379, 9825, 9975, 11025, 12445, 13755, 13965, 17423, 19257, 22401, 22925, 23275, 29475, 29925, 32095, 37335, 41265, 41895, 52269, 57771, 62225, 68775, 69825, 87115, 96285, 112005, 121961, 156807, 160475, 186675, 206325, 209475, 261345, 288855, 365883, 435575, 481425, 560025, 609805, 784035, 1097649, 1306725, 1444275, 1829415, 3049025, 3920175, 5488245, 9147075, 27441225]

約数ペア:

[(1, 27441225), (3, 9147075), (5, 5488245), (7, 3920175), (9, 3049025), (15, 1829415), (19, 1444275), (21, 1306725), (25, 1097649), (35, 784035), (45, 609805), (49, 560025), (57, 481425), (63, 435575), (75, 365883), (95, 288855), (105, 261345), (131, 209475), (133, 206325), (147, 186675), (171, 160475), (175, 156807), (225, 121961), (245, 112005), (285, 96285), (315, 87115), (393, 69825), (399, 68775), (441, 62225), (475, 57771), (525, 52269), (655, 41895), (665, 41265), (735, 37335), (855, 32095), (917, 29925), (931, 29475), (1179, 23275), (1197, 22925), (1225, 22401), (1425, 19257), (1575, 17423), (1965, 13965), (1995, 13755), (2205, 12445), (2489, 11025), (2751, 9975), (2793, 9825), (3275, 8379), (3325, 8253), (3675, 7467), (4275, 6419), (4585, 5985), (4655, 5895)]