16858737

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3769}}^1$

素因数の和:3853

約数の個数: 24

約数和(自身を含む): 28229760

約数和(自身を除く): 11371023

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 3769, 4473, 11307, 26383, 33921, 79149, 237447, 267599, 802797, 1873193, 2408391, 5619579, 16858737]

約数ペア:

[(1, 16858737), (3, 5619579), (7, 2408391), (9, 1873193), (21, 802797), (63, 267599), (71, 237447), (213, 79149), (497, 33921), (639, 26383), (1491, 11307), (3769, 4473)]