12518865

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 22997520

約数和(自身を除く): 10478655

約数列:

[1, 3, 5, 9, 15, 29, 45, 53, 87, 145, 159, 181, 261, 265, 435, 477, 543, 795, 905, 1305, 1537, 1629, 2385, 2715, 4611, 5249, 7685, 8145, 9593, 13833, 15747, 23055, 26245, 28779, 47241, 47965, 69165, 78735, 86337, 143895, 236205, 278197, 431685, 834591, 1390985, 2503773, 4172955, 12518865]

約数ペア:

[(1, 12518865), (3, 4172955), (5, 2503773), (9, 1390985), (15, 834591), (29, 431685), (45, 278197), (53, 236205), (87, 143895), (145, 86337), (159, 78735), (181, 69165), (261, 47965), (265, 47241), (435, 28779), (477, 26245), (543, 23055), (795, 15747), (905, 13833), (1305, 9593), (1537, 8145), (1629, 7685), (2385, 5249), (2715, 4611)]