18156333

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 8938707

約数列:

[1, 3, 13, 39, 71, 79, 83, 213, 237, 249, 923, 1027, 1079, 2769, 3081, 3237, 5609, 5893, 6557, 16827, 17679, 19671, 72917, 76609, 85241, 218751, 229827, 255723, 465547, 1396641, 6052111, 18156333]

約数ペア:

[(1, 18156333), (3, 6052111), (13, 1396641), (39, 465547), (71, 255723), (79, 229827), (83, 218751), (213, 85241), (237, 76609), (249, 72917), (923, 19671), (1027, 17679), (1079, 16827), (2769, 6557), (3081, 5893), (3237, 5609)]