18067257

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{503}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 28252224

約数和(自身を除く): 10184967

約数列:

[1, 3, 9, 13, 39, 117, 307, 503, 921, 1509, 2763, 3991, 4527, 6539, 11973, 19617, 35919, 58851, 154421, 463263, 1389789, 2007473, 6022419, 18067257]

約数ペア:

[(1, 18067257), (3, 6022419), (9, 2007473), (13, 1389789), (39, 463263), (117, 154421), (307, 58851), (503, 35919), (921, 19617), (1509, 11973), (2763, 6539), (3991, 4527)]