15725151

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 25482240

約数和(自身を除く): 9757089

約数列:

[1, 3, 9, 13, 27, 39, 71, 117, 213, 351, 631, 639, 923, 1893, 1917, 2769, 5679, 8203, 8307, 17037, 24609, 24921, 44801, 73827, 134403, 221481, 403209, 582413, 1209627, 1747239, 5241717, 15725151]

約数ペア:

[(1, 15725151), (3, 5241717), (9, 1747239), (13, 1209627), (27, 582413), (39, 403209), (71, 221481), (117, 134403), (213, 73827), (351, 44801), (631, 24921), (639, 24609), (923, 17037), (1893, 8307), (1917, 8203), (2769, 5679)]