38445921

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 60496128

約数和(自身を除く): 22050207

約数列:

[1, 3, 9, 27, 31, 61, 81, 93, 183, 251, 279, 549, 753, 837, 1647, 1891, 2259, 2511, 4941, 5673, 6777, 7781, 15311, 17019, 20331, 23343, 45933, 51057, 70029, 137799, 153171, 210087, 413397, 474641, 630261, 1240191, 1423923, 4271769, 12815307, 38445921]

約数ペア:

[(1, 38445921), (3, 12815307), (9, 4271769), (27, 1423923), (31, 1240191), (61, 630261), (81, 474641), (93, 413397), (183, 210087), (251, 153171), (279, 137799), (549, 70029), (753, 51057), (837, 45933), (1647, 23343), (1891, 20331), (2259, 17019), (2511, 15311), (4941, 7781), (5673, 6777)]