31159323

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 50738688

約数和(自身を除く): 19579365

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 127, 233, 351, 381, 699, 1053, 1143, 1651, 2097, 3029, 3429, 4953, 6291, 9087, 10287, 14859, 18873, 27261, 29591, 44577, 81783, 88773, 133731, 245349, 266319, 384683, 798957, 1154049, 2396871, 3462147, 10386441, 31159323]

約数ペア:

[(1, 31159323), (3, 10386441), (9, 3462147), (13, 2396871), (27, 1154049), (39, 798957), (81, 384683), (117, 266319), (127, 245349), (233, 133731), (351, 88773), (381, 81783), (699, 44577), (1053, 29591), (1143, 27261), (1651, 18873), (2097, 14859), (3029, 10287), (3429, 9087), (4953, 6291)]