13149721

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 15811200

約数和(自身を除く): 2661479

約数列:

[1, 13, 17, 23, 169, 199, 221, 299, 391, 2587, 2873, 3383, 3887, 4577, 5083, 33631, 43979, 59501, 66079, 77809, 571727, 773513, 1011517, 13149721]

約数ペア:

[(1, 13149721), (13, 1011517), (17, 773513), (23, 571727), (169, 77809), (199, 66079), (221, 59501), (299, 43979), (391, 33631), (2587, 5083), (2873, 4577), (3383, 3887)]