638222247

素因数分解:

$3^5\times {\mathrm{13}}^2\times {\mathrm{15541}}^1$

素因数の和:15582

約数の個数: 36

約数和(自身を含む): 1035283704

約数和(自身を除く): 397061457

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 243, 351, 507, 1053, 1521, 3159, 4563, 13689, 15541, 41067, 46623, 139869, 202033, 419607, 606099, 1258821, 1818297, 2626429, 3776463, 5454891, 7879287, 16364673, 23637861, 49094019, 70913583, 212740749, 638222247]

約数ペア:

[(1, 638222247), (3, 212740749), (9, 70913583), (13, 49094019), (27, 23637861), (39, 16364673), (81, 7879287), (117, 5454891), (169, 3776463), (243, 2626429), (351, 1818297), (507, 1258821), (1053, 606099), (1521, 419607), (3159, 202033), (4563, 139869), (13689, 46623), (15541, 41067)]