28515591

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{593}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 45904320

約数和(自身を除く): 17388729

約数列:

[1, 3, 9, 13, 27, 39, 117, 137, 351, 411, 593, 1233, 1779, 1781, 3699, 5337, 5343, 7709, 16011, 16029, 23127, 48087, 69381, 81241, 208143, 243723, 731169, 1056133, 2193507, 3168399, 9505197, 28515591]

約数ペア:

[(1, 28515591), (3, 9505197), (9, 3168399), (13, 2193507), (27, 1056133), (39, 731169), (117, 243723), (137, 208143), (351, 81241), (411, 69381), (593, 48087), (1233, 23127), (1779, 16029), (1781, 16011), (3699, 7709), (5337, 5343)]