858244005

素因数分解:

$3^4\times 5^1\times {\mathrm{2119121}}^1$

素因数の和:2119138

約数の個数: 20

約数和(自身を含む): 1538482572

約数和(自身を除く): 680238567

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2119121, 6357363, 10595605, 19072089, 31786815, 57216267, 95360445, 171648801, 286081335, 858244005]

約数ペア:

[(1, 858244005), (3, 286081335), (5, 171648801), (9, 95360445), (15, 57216267), (27, 31786815), (45, 19072089), (81, 10595605), (135, 6357363), (405, 2119121)]