15321891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2999}}^1$

素因数の和:3146

約数の個数: 16

約数和(自身を含む): 22176000

約数和(自身を除く): 6854109

約数列:

[1, 3, 13, 39, 131, 393, 1703, 2999, 5109, 8997, 38987, 116961, 392869, 1178607, 5107297, 15321891]

約数ペア:

[(1, 15321891), (3, 5107297), (13, 1178607), (39, 392869), (131, 116961), (393, 38987), (1703, 8997), (2999, 5109)]