42728679

素因数分解:

$3^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1531}}^1$

素因数の和:1987

約数の個数: 24

約数和(自身を含む): 70741632

約数和(自身を除く): 28012953

約数列:

[1, 3, 7, 9, 21, 63, 443, 1329, 1531, 3101, 3987, 4593, 9303, 10717, 13779, 27909, 32151, 96453, 678233, 2034699, 4747631, 6104097, 14242893, 42728679]

約数ペア:

[(1, 42728679), (3, 14242893), (7, 6104097), (9, 4747631), (21, 2034699), (63, 678233), (443, 96453), (1329, 32151), (1531, 27909), (3101, 13779), (3987, 10717), (4593, 9303)]