218229

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 336960

約数和(自身を除く): 118731

約数列:

[1, 3, 11, 17, 33, 51, 187, 389, 561, 1167, 4279, 6613, 12837, 19839, 72743, 218229]

約数ペア:

[(1, 218229), (3, 72743), (11, 19839), (17, 12837), (33, 6613), (51, 4279), (187, 1167), (389, 561)]