15955537

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 19692288

約数和(自身を除く): 3736751

約数列:

[1, 13, 17, 23, 43, 73, 221, 299, 391, 559, 731, 949, 989, 1241, 1679, 3139, 5083, 9503, 12857, 16133, 16813, 21827, 28543, 40807, 53363, 72197, 218569, 371059, 693719, 938561, 1227349, 15955537]

約数ペア:

[(1, 15955537), (13, 1227349), (17, 938561), (23, 693719), (43, 371059), (73, 218569), (221, 72197), (299, 53363), (391, 40807), (559, 28543), (731, 21827), (949, 16813), (989, 16133), (1241, 12857), (1679, 9503), (3139, 5083)]