31280145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3413}}^1$

素因数の和:3481

約数の個数: 32

約数和(自身を含む): 55060992

約数和(自身を除く): 23780847

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 195, 235, 611, 705, 1833, 3055, 3413, 9165, 10239, 17065, 44369, 51195, 133107, 160411, 221845, 481233, 665535, 802055, 2085343, 2406165, 6256029, 10426715, 31280145]

約数ペア:

[(1, 31280145), (3, 10426715), (5, 6256029), (13, 2406165), (15, 2085343), (39, 802055), (47, 665535), (65, 481233), (141, 221845), (195, 160411), (235, 133107), (611, 51195), (705, 44369), (1833, 17065), (3055, 10239), (3413, 9165)]