28971657

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22511}}^1$

素因数の和:22541

約数の個数: 24

約数和(自身を含む): 49166208

約数和(自身を除く): 20194551

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 22511, 67533, 202599, 247621, 292643, 742863, 877929, 2228589, 2633787, 3219073, 9657219, 28971657]

約数ペア:

[(1, 28971657), (3, 9657219), (9, 3219073), (11, 2633787), (13, 2228589), (33, 877929), (39, 742863), (99, 292643), (117, 247621), (143, 202599), (429, 67533), (1287, 22511)]