31212753

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2347}}^1$

素因数の和:2405

約数の個数: 32

約数和(自身を含む): 50491392

約数和(自身を除く): 19278639

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 143, 341, 403, 429, 1023, 1209, 2347, 4433, 7041, 13299, 25817, 30511, 72757, 77451, 91533, 218271, 335621, 800327, 945841, 1006863, 2400981, 2837523, 10404251, 31212753]

約数ペア:

[(1, 31212753), (3, 10404251), (11, 2837523), (13, 2400981), (31, 1006863), (33, 945841), (39, 800327), (93, 335621), (143, 218271), (341, 91533), (403, 77451), (429, 72757), (1023, 30511), (1209, 25817), (2347, 13299), (4433, 7041)]