31886145

素因数分解:

$3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{4243}}^1$

素因数の和:4421

約数の個数: 24

約数和(自身を含む): 55613376

約数和(自身を除く): 23727231

約数列:

[1, 3, 5, 9, 15, 45, 167, 501, 835, 1503, 2505, 4243, 7515, 12729, 21215, 38187, 63645, 190935, 708581, 2125743, 3542905, 6377229, 10628715, 31886145]

約数ペア:

[(1, 31886145), (3, 10628715), (5, 6377229), (9, 3542905), (15, 2125743), (45, 708581), (167, 190935), (501, 63645), (835, 38187), (1503, 21215), (2505, 12729), (4243, 7515)]