81244725

素因数分解:

$3^1\times 5^2\times {\mathrm{269}}^1\times {\mathrm{4027}}^1$

素因数の和:4309

約数の個数: 24

約数和(自身を含む): 134857440

約数和(自身を除く): 53612715

約数列:

[1, 3, 5, 15, 25, 75, 269, 807, 1345, 4027, 4035, 6725, 12081, 20135, 20175, 60405, 100675, 302025, 1083263, 3249789, 5416315, 16248945, 27081575, 81244725]

約数ペア:

[(1, 81244725), (3, 27081575), (5, 16248945), (15, 5416315), (25, 3249789), (75, 1083263), (269, 302025), (807, 100675), (1345, 60405), (4027, 20175), (4035, 20135), (6725, 12081)]