1260189

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 2114112

約数和(自身を除く): 853923

約数列:

[1, 3, 7, 9, 21, 63, 83, 241, 249, 581, 723, 747, 1687, 1743, 2169, 5061, 5229, 15183, 20003, 60009, 140021, 180027, 420063, 1260189]

約数ペア:

[(1, 1260189), (3, 420063), (7, 180027), (9, 140021), (21, 60009), (63, 20003), (83, 15183), (241, 5229), (249, 5061), (581, 2169), (723, 1743), (747, 1687)]