221625

素因数分解:

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

素因数の和:218

約数の個数: 24

約数和(自身を含む): 401544

約数和(自身を除く): 179919

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 197, 225, 375, 591, 985, 1125, 1773, 2955, 4925, 8865, 14775, 24625, 44325, 73875, 221625]

約数ペア:

[(1, 221625), (3, 73875), (5, 44325), (9, 24625), (15, 14775), (25, 8865), (45, 4925), (75, 2955), (125, 1773), (197, 1125), (225, 985), (375, 591)]