13250421

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 19819800

約数和(自身を除く): 6569379

約数列:

[1, 3, 9, 41, 123, 149, 241, 369, 447, 723, 1341, 2169, 6109, 9881, 18327, 29643, 35909, 54981, 88929, 107727, 323181, 1472269, 4416807, 13250421]

約数ペア:

[(1, 13250421), (3, 4416807), (9, 1472269), (41, 323181), (123, 107727), (149, 88929), (241, 54981), (369, 35909), (447, 29643), (723, 18327), (1341, 9881), (2169, 6109)]