128583609

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{556639}}^1$

素因数の和:556660

約数の個数: 16

約数和(自身を含む): 213749760

約数和(自身を除く): 85166151

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 556639, 1669917, 3896473, 6123029, 11689419, 18369087, 42861203, 128583609]

約数ペア:

[(1, 128583609), (3, 42861203), (7, 18369087), (11, 11689419), (21, 6123029), (33, 3896473), (77, 1669917), (231, 556639)]