12722571

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1583}}^1$

素因数の和:1655

約数の個数: 24

約数和(自身を含む): 19768320

約数和(自身を除く): 7045749

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 1583, 2679, 4749, 8037, 14247, 30077, 74401, 90231, 223203, 270693, 669609, 1413619, 4240857, 12722571]

約数ペア:

[(1, 12722571), (3, 4240857), (9, 1413619), (19, 669609), (47, 270693), (57, 223203), (141, 90231), (171, 74401), (423, 30077), (893, 14247), (1583, 8037), (2679, 4749)]