135981521

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{1181}}^1$

素因数の和:1732

約数の個数: 16

約数和(自身を含む): 155485008

約数和(自身を除く): 19503487

約数列:

[1, 13, 17, 221, 521, 1181, 6773, 8857, 15353, 20077, 115141, 261001, 615301, 7998913, 10460117, 135981521]

約数ペア:

[(1, 135981521), (13, 10460117), (17, 7998913), (221, 615301), (521, 261001), (1181, 115141), (6773, 20077), (8857, 15353)]