138838401

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{30427}}^1$

素因数の和:30462

約数の個数: 24

約数和(自身を含む): 222732960

約数和(自身を除く): 83894559

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 30427, 91281, 273843, 395551, 821529, 1186653, 3559959, 5142163, 10679877, 15426489, 46279467, 138838401]

約数ペア:

[(1, 138838401), (3, 46279467), (9, 15426489), (13, 10679877), (27, 5142163), (39, 3559959), (117, 1186653), (169, 821529), (351, 395551), (507, 273843), (1521, 91281), (4563, 30427)]