639472461

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1\times {\mathrm{5827}}^1$

素因数の和:6220

約数の個数: 16

約数和(自身を含む): 861891264

約数和(自身を除く): 222418803

約数列:

[1, 3, 157, 233, 471, 699, 5827, 17481, 36581, 109743, 914839, 1357691, 2744517, 4073073, 213157487, 639472461]

約数ペア:

[(1, 639472461), (3, 213157487), (157, 4073073), (233, 2744517), (471, 1357691), (699, 914839), (5827, 109743), (17481, 36581)]