31216209

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{1609}}^1$

素因数の和:1864

約数の個数: 16

約数和(自身を含む): 43276800

約数和(自身を除く): 12060591

約数列:

[1, 3, 29, 87, 223, 669, 1609, 4827, 6467, 19401, 46661, 139983, 358807, 1076421, 10405403, 31216209]

約数ペア:

[(1, 31216209), (3, 10405403), (29, 1076421), (87, 358807), (223, 139983), (669, 46661), (1609, 19401), (4827, 6467)]