21735375

素因数分解:

$3^1\times 5^3\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 36504000

約数和(自身を除く): 14768625

約数列:

[1, 3, 5, 15, 25, 75, 125, 149, 375, 389, 447, 745, 1167, 1945, 2235, 3725, 5835, 9725, 11175, 18625, 29175, 48625, 55875, 57961, 145875, 173883, 289805, 869415, 1449025, 4347075, 7245125, 21735375]

約数ペア:

[(1, 21735375), (3, 7245125), (5, 4347075), (15, 1449025), (25, 869415), (75, 289805), (125, 173883), (149, 145875), (375, 57961), (389, 55875), (447, 48625), (745, 29175), (1167, 18625), (1945, 11175), (2235, 9725), (3725, 5835)]