81810027

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{17929}}^1$

素因数の和:17964

約数の個数: 24

約数和(自身を含む): 131247600

約数和(自身を除く): 49437573

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 17929, 53787, 161361, 233077, 484083, 699231, 2097693, 3030001, 6293079, 9090003, 27270009, 81810027]

約数ペア:

[(1, 81810027), (3, 27270009), (9, 9090003), (13, 6293079), (27, 3030001), (39, 2097693), (117, 699231), (169, 484083), (351, 233077), (507, 161361), (1521, 53787), (4563, 17929)]