131490639

素因数分解:

$3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{5507}}^1$

素因数の和:5899

約数の個数: 24

約数和(自身を含む): 217676160

約数和(自身を除く): 86185521

約数列:

[1, 3, 7, 9, 21, 63, 379, 1137, 2653, 3411, 5507, 7959, 16521, 23877, 38549, 49563, 115647, 346941, 2087153, 6261459, 14610071, 18784377, 43830213, 131490639]

約数ペア:

[(1, 131490639), (3, 43830213), (7, 18784377), (9, 14610071), (21, 6261459), (63, 2087153), (379, 346941), (1137, 115647), (2653, 49563), (3411, 38549), (5507, 23877), (7959, 16521)]