72639411

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 106928640

約数和(自身を除く): 34289229

約数列:

[1, 3, 13, 39, 103, 107, 169, 309, 321, 507, 1339, 1391, 2197, 4017, 4173, 6591, 11021, 17407, 18083, 33063, 52221, 54249, 143273, 226291, 235079, 429819, 678873, 705237, 1862549, 5587647, 24213137, 72639411]

約数ペア:

[(1, 72639411), (3, 24213137), (13, 5587647), (39, 1862549), (103, 705237), (107, 678873), (169, 429819), (309, 235079), (321, 226291), (507, 143273), (1339, 54249), (1391, 52221), (2197, 33063), (4017, 18083), (4173, 17407), (6591, 11021)]