820659849

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 1159640064

約数和(自身を除く): 338980215

約数列:

[1, 3, 23, 69, 131, 163, 393, 489, 557, 1671, 3013, 3749, 9039, 11247, 12811, 21353, 38433, 64059, 72967, 90791, 218901, 272373, 491119, 1473357, 1678241, 2088193, 5034723, 6264579, 11893621, 35680863, 273553283, 820659849]

約数ペア:

[(1, 820659849), (3, 273553283), (23, 35680863), (69, 11893621), (131, 6264579), (163, 5034723), (393, 2088193), (489, 1678241), (557, 1473357), (1671, 491119), (3013, 272373), (3749, 218901), (9039, 90791), (11247, 72967), (12811, 64059), (21353, 38433)]