31616949

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 52254720

約数和(自身を除く): 20637771

約数列:

[1, 3, 7, 13, 21, 39, 91, 179, 273, 537, 647, 1253, 1941, 2327, 3759, 4529, 6981, 8411, 13587, 16289, 25233, 48867, 58877, 115813, 176631, 347439, 810691, 1505569, 2432073, 4516707, 10538983, 31616949]

約数ペア:

[(1, 31616949), (3, 10538983), (7, 4516707), (13, 2432073), (21, 1505569), (39, 810691), (91, 347439), (179, 176631), (273, 115813), (537, 58877), (647, 48867), (1253, 25233), (1941, 16289), (2327, 13587), (3759, 8411), (4529, 6981)]