31138863

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4507}}^1$

素因数の和:4571

約数の個数: 24

約数和(自身を含む): 49335552

約数和(自身を除く): 18196689

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 4507, 6909, 13521, 31549, 94647, 211829, 220843, 635487, 662529, 1482803, 4448409, 10379621, 31138863]

約数ペア:

[(1, 31138863), (3, 10379621), (7, 4448409), (21, 1482803), (47, 662529), (49, 635487), (141, 220843), (147, 211829), (329, 94647), (987, 31549), (2303, 13521), (4507, 6909)]