25531605

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{521}}^1$

素因数の和:560

約数の個数: 60

約数和(自身を含む): 50403276

約数和(自身を除く): 24871671

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 121, 135, 165, 297, 363, 405, 495, 521, 605, 891, 1089, 1485, 1563, 1815, 2605, 3267, 4455, 4689, 5445, 5731, 7815, 9801, 14067, 16335, 17193, 23445, 28655, 42201, 49005, 51579, 63041, 70335, 85965, 154737, 189123, 211005, 257895, 315205, 464211, 567369, 773685, 945615, 1702107, 2321055, 2836845, 5106321, 8510535, 25531605]

約数ペア:

[(1, 25531605), (3, 8510535), (5, 5106321), (9, 2836845), (11, 2321055), (15, 1702107), (27, 945615), (33, 773685), (45, 567369), (55, 464211), (81, 315205), (99, 257895), (121, 211005), (135, 189123), (165, 154737), (297, 85965), (363, 70335), (405, 63041), (495, 51579), (521, 49005), (605, 42201), (891, 28655), (1089, 23445), (1485, 17193), (1563, 16335), (1815, 14067), (2605, 9801), (3267, 7815), (4455, 5731), (4689, 5445)]