21485655225

素因数分解:

$3^2\times 5^2\times {\mathrm{95491801}}^1$

素因数の和:95491817

約数の個数: 18

約数和(自身を含む): 38483196206

約数和(自身を除く): 16997540981

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 95491801, 286475403, 477459005, 859426209, 1432377015, 2387295025, 4297131045, 7161885075, 21485655225]

約数ペア:

[(1, 21485655225), (3, 7161885075), (5, 4297131045), (9, 2387295025), (15, 1432377015), (25, 859426209), (45, 477459005), (75, 286475403), (225, 95491801)]