81664191

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{56359}}^1$

素因数の和:56395

約数の個数: 24

約数和(自身を含む): 140674560

約数和(自身を除く): 59010369

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 56359, 169077, 394513, 507231, 1183539, 1296257, 3550617, 3888771, 9073799, 11666313, 27221397, 81664191]

約数ペア:

[(1, 81664191), (3, 27221397), (7, 11666313), (9, 9073799), (21, 3888771), (23, 3550617), (63, 1296257), (69, 1183539), (161, 507231), (207, 394513), (483, 169077), (1449, 56359)]