123915987

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{117679}}^1$

素因数の和:117704

約数の個数: 20

約数和(自身を含む): 199349920

約数和(自身を除く): 75433933

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 117679, 353037, 1059111, 1529827, 3177333, 4589481, 9531999, 13768443, 41305329, 123915987]

約数ペア:

[(1, 123915987), (3, 41305329), (9, 13768443), (13, 9531999), (27, 4589481), (39, 3177333), (81, 1529827), (117, 1059111), (351, 353037), (1053, 117679)]