28623357

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1901}}^1$

素因数の和:2153

約数の個数: 24

約数和(自身を含む): 47473920

約数和(自身を除く): 18850563

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 1673, 1901, 2151, 5019, 5703, 13307, 15057, 17109, 39921, 119763, 454339, 1363017, 3180373, 4089051, 9541119, 28623357]

約数ペア:

[(1, 28623357), (3, 9541119), (7, 4089051), (9, 3180373), (21, 1363017), (63, 454339), (239, 119763), (717, 39921), (1673, 17109), (1901, 15057), (2151, 13307), (5019, 5703)]