25390935

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{521}}^1$

素因数の和:573

約数の個数: 48

約数和(自身を含む): 47731680

約数和(自身を除く): 22340745

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 361, 513, 521, 855, 1083, 1563, 1805, 2565, 2605, 3249, 4689, 5415, 7815, 9747, 9899, 14067, 16245, 23445, 29697, 48735, 49495, 70335, 89091, 148485, 188081, 267273, 445455, 564243, 940405, 1336365, 1692729, 2821215, 5078187, 8463645, 25390935]

約数ペア:

[(1, 25390935), (3, 8463645), (5, 5078187), (9, 2821215), (15, 1692729), (19, 1336365), (27, 940405), (45, 564243), (57, 445455), (95, 267273), (135, 188081), (171, 148485), (285, 89091), (361, 70335), (513, 49495), (521, 48735), (855, 29697), (1083, 23445), (1563, 16245), (1805, 14067), (2565, 9899), (2605, 9747), (3249, 7815), (4689, 5415)]