17862975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 35747712

約数和(自身を除く): 17884737

約数列:

[1, 3, 5, 9, 13, 15, 25, 31, 39, 45, 65, 75, 93, 117, 155, 195, 197, 225, 279, 325, 403, 465, 585, 591, 775, 975, 985, 1209, 1395, 1773, 2015, 2325, 2561, 2925, 2955, 3627, 4925, 6045, 6107, 6975, 7683, 8865, 10075, 12805, 14775, 18135, 18321, 23049, 30225, 30535, 38415, 44325, 54963, 64025, 79391, 90675, 91605, 115245, 152675, 192075, 238173, 274815, 396955, 458025, 576225, 714519, 1190865, 1374075, 1984775, 3572595, 5954325, 17862975]

約数ペア:

[(1, 17862975), (3, 5954325), (5, 3572595), (9, 1984775), (13, 1374075), (15, 1190865), (25, 714519), (31, 576225), (39, 458025), (45, 396955), (65, 274815), (75, 238173), (93, 192075), (117, 152675), (155, 115245), (195, 91605), (197, 90675), (225, 79391), (279, 64025), (325, 54963), (403, 44325), (465, 38415), (585, 30535), (591, 30225), (775, 23049), (975, 18321), (985, 18135), (1209, 14775), (1395, 12805), (1773, 10075), (2015, 8865), (2325, 7683), (2561, 6975), (2925, 6107), (2955, 6045), (3627, 4925)]