131520987

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{8581}}^1$

素因数の和:8731

約数の個数: 24

約数和(自身を含む): 206173968

約数和(自身を除く): 74652981

約数列:

[1, 3, 9, 13, 39, 117, 131, 393, 1179, 1703, 5109, 8581, 15327, 25743, 77229, 111553, 334659, 1003977, 1124111, 3372333, 10116999, 14613443, 43840329, 131520987]

約数ペア:

[(1, 131520987), (3, 43840329), (9, 14613443), (13, 10116999), (39, 3372333), (117, 1124111), (131, 1003977), (393, 334659), (1179, 111553), (1703, 77229), (5109, 25743), (8581, 15327)]