23521455

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 45636480

約数和(自身を除く): 22115025

約数列:

[1, 3, 5, 9, 15, 17, 27, 37, 45, 51, 85, 111, 135, 153, 185, 255, 277, 333, 459, 555, 629, 765, 831, 999, 1385, 1665, 1887, 2295, 2493, 3145, 4155, 4709, 4995, 5661, 7479, 9435, 10249, 12465, 14127, 16983, 23545, 28305, 30747, 37395, 42381, 51245, 70635, 84915, 92241, 127143, 153735, 174233, 211905, 276723, 461205, 522699, 635715, 871165, 1383615, 1568097, 2613495, 4704291, 7840485, 23521455]

約数ペア:

[(1, 23521455), (3, 7840485), (5, 4704291), (9, 2613495), (15, 1568097), (17, 1383615), (27, 871165), (37, 635715), (45, 522699), (51, 461205), (85, 276723), (111, 211905), (135, 174233), (153, 153735), (185, 127143), (255, 92241), (277, 84915), (333, 70635), (459, 51245), (555, 42381), (629, 37395), (765, 30747), (831, 28305), (999, 23545), (1385, 16983), (1665, 14127), (1887, 12465), (2295, 10249), (2493, 9435), (3145, 7479), (4155, 5661), (4709, 4995)]