31238973

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 47923200

約数和(自身を除く): 16684227

約数列:

[1, 3, 9, 27, 47, 103, 141, 239, 309, 423, 717, 927, 1269, 2151, 2781, 4841, 6453, 11233, 14523, 24617, 33699, 43569, 73851, 101097, 130707, 221553, 303291, 664659, 1156999, 3470997, 10412991, 31238973]

約数ペア:

[(1, 31238973), (3, 10412991), (9, 3470997), (27, 1156999), (47, 664659), (103, 303291), (141, 221553), (239, 130707), (309, 101097), (423, 73851), (717, 43569), (927, 33699), (1269, 24617), (2151, 14523), (2781, 11233), (4841, 6453)]