67281825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 120853376

約数和(自身を除く): 53571551

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 151, 195, 325, 453, 457, 755, 975, 1371, 1963, 2265, 2285, 3775, 5889, 5941, 6855, 9815, 11325, 11425, 17823, 29445, 29705, 34275, 49075, 69007, 89115, 147225, 148525, 207021, 345035, 445575, 897091, 1035105, 1725175, 2691273, 4485455, 5175525, 13456365, 22427275, 67281825]

約数ペア:

[(1, 67281825), (3, 22427275), (5, 13456365), (13, 5175525), (15, 4485455), (25, 2691273), (39, 1725175), (65, 1035105), (75, 897091), (151, 445575), (195, 345035), (325, 207021), (453, 148525), (457, 147225), (755, 89115), (975, 69007), (1371, 49075), (1963, 34275), (2265, 29705), (2285, 29445), (3775, 17823), (5889, 11425), (5941, 11325), (6855, 9815)]