17972775

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^2\times {\mathrm{151}}^1$

素因数の和:213

約数の個数: 54

約数和(自身を含む): 33874568

約数和(自身を除く): 15901793

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 151, 207, 225, 345, 453, 529, 575, 755, 1035, 1359, 1587, 1725, 2265, 2645, 3473, 3775, 4761, 5175, 6795, 7935, 10419, 11325, 13225, 17365, 23805, 31257, 33975, 39675, 52095, 79879, 86825, 119025, 156285, 239637, 260475, 399395, 718911, 781425, 1198185, 1996975, 3594555, 5990925, 17972775]

約数ペア:

[(1, 17972775), (3, 5990925), (5, 3594555), (9, 1996975), (15, 1198185), (23, 781425), (25, 718911), (45, 399395), (69, 260475), (75, 239637), (115, 156285), (151, 119025), (207, 86825), (225, 79879), (345, 52095), (453, 39675), (529, 33975), (575, 31257), (755, 23805), (1035, 17365), (1359, 13225), (1587, 11325), (1725, 10419), (2265, 7935), (2645, 6795), (3473, 5175), (3775, 4761)]