21527325

素因数分解:

$3^2\times 5^2\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:654

約数の個数: 36

約数和(自身を含む): 38815348

約数和(自身を除く): 17288023

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 241, 397, 723, 1191, 1205, 1985, 2169, 3573, 3615, 5955, 6025, 9925, 10845, 17865, 18075, 29775, 54225, 89325, 95677, 287031, 478385, 861093, 1435155, 2391925, 4305465, 7175775, 21527325]

約数ペア:

[(1, 21527325), (3, 7175775), (5, 4305465), (9, 2391925), (15, 1435155), (25, 861093), (45, 478385), (75, 287031), (225, 95677), (241, 89325), (397, 54225), (723, 29775), (1191, 18075), (1205, 17865), (1985, 10845), (2169, 9925), (3573, 6025), (3615, 5955)]