12900999

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{3169}}^1$

素因数の和:3254

約数の個数: 16

約数和(自身を含む): 18259200

約数和(自身を除く): 5358201

約数列:

[1, 3, 23, 59, 69, 177, 1357, 3169, 4071, 9507, 72887, 186971, 218661, 560913, 4300333, 12900999]

約数ペア:

[(1, 12900999), (3, 4300333), (23, 560913), (59, 218661), (69, 186971), (177, 72887), (1357, 9507), (3169, 4071)]