72857025

素因数分解:

$3^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{1789}}^1$

素因数の和:1986

約数の個数: 36

約数和(自身を含む): 131289340

約数和(自身を除く): 58432315

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 181, 225, 543, 905, 1629, 1789, 2715, 4525, 5367, 8145, 8945, 13575, 16101, 26835, 40725, 44725, 80505, 134175, 323809, 402525, 971427, 1619045, 2914281, 4857135, 8095225, 14571405, 24285675, 72857025]

約数ペア:

[(1, 72857025), (3, 24285675), (5, 14571405), (9, 8095225), (15, 4857135), (25, 2914281), (45, 1619045), (75, 971427), (181, 402525), (225, 323809), (543, 134175), (905, 80505), (1629, 44725), (1789, 40725), (2715, 26835), (4525, 16101), (5367, 13575), (8145, 8945)]