16670205

素因数分解:

$3^4\times 5^1\times {\mathrm{41161}}^1$

素因数の和:41178

約数の個数: 20

約数和(自身を含む): 29883612

約数和(自身を除く): 13213407

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 41161, 123483, 205805, 370449, 617415, 1111347, 1852245, 3334041, 5556735, 16670205]

約数ペア:

[(1, 16670205), (3, 5556735), (5, 3334041), (9, 1852245), (15, 1111347), (27, 617415), (45, 370449), (81, 205805), (135, 123483), (405, 41161)]