31731063

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2473}}^1$

素因数の和:2543

約数の個数: 32

約数和(自身を含む): 53200896

約数和(自身を除く): 21469833

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 2473, 4277, 7419, 12831, 17311, 32149, 51933, 96447, 116231, 225043, 348693, 675129, 813617, 1511003, 2440851, 4533009, 10577021, 31731063]

約数ペア:

[(1, 31731063), (3, 10577021), (7, 4533009), (13, 2440851), (21, 1511003), (39, 813617), (47, 675129), (91, 348693), (141, 225043), (273, 116231), (329, 96447), (611, 51933), (987, 32149), (1833, 17311), (2473, 12831), (4277, 7419)]