7397481

素因数分解:

$3^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 40

約数和(自身を含む): 12548480

約数和(自身を除く): 5150999

約数列:

[1, 3, 7, 13, 21, 39, 49, 79, 91, 147, 237, 273, 343, 553, 637, 1027, 1029, 1659, 1911, 2401, 3081, 3871, 4459, 7189, 7203, 11613, 13377, 21567, 27097, 31213, 50323, 81291, 93639, 150969, 189679, 352261, 569037, 1056783, 2465827, 7397481]

約数ペア:

[(1, 7397481), (3, 2465827), (7, 1056783), (13, 569037), (21, 352261), (39, 189679), (49, 150969), (79, 93639), (91, 81291), (147, 50323), (237, 31213), (273, 27097), (343, 21567), (553, 13377), (637, 11613), (1027, 7203), (1029, 7189), (1659, 4459), (1911, 3871), (2401, 3081)]