219975567

素因数分解:

$3^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{39829}}^1$

素因数の和:40102

約数の個数: 16

約数和(自身を含む): 336483840

約数和(自身を除く): 116508273

約数列:

[1, 3, 7, 21, 263, 789, 1841, 5523, 39829, 119487, 278803, 836409, 10475027, 31425081, 73325189, 219975567]

約数ペア:

[(1, 219975567), (3, 73325189), (7, 31425081), (21, 10475027), (263, 836409), (789, 278803), (1841, 119487), (5523, 39829)]