12815307

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 19998720

約数和(自身を除く): 7183413

約数列:

[1, 3, 9, 27, 31, 61, 93, 183, 251, 279, 549, 753, 837, 1647, 1891, 2259, 5673, 6777, 7781, 15311, 17019, 23343, 45933, 51057, 70029, 137799, 210087, 413397, 474641, 1423923, 4271769, 12815307]

約数ペア:

[(1, 12815307), (3, 4271769), (9, 1423923), (27, 474641), (31, 413397), (61, 210087), (93, 137799), (183, 70029), (251, 51057), (279, 45933), (549, 23343), (753, 17019), (837, 15311), (1647, 7781), (1891, 6777), (2259, 5673)]