20180385

素因数分解:

$3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2011}}^1$

素因数の和:2245

約数の個数: 24

約数和(自身を含む): 35153664

約数和(自身を除く): 14973279

約数列:

[1, 3, 5, 9, 15, 45, 223, 669, 1115, 2007, 2011, 3345, 6033, 10035, 10055, 18099, 30165, 90495, 448453, 1345359, 2242265, 4036077, 6726795, 20180385]

約数ペア:

[(1, 20180385), (3, 6726795), (5, 4036077), (9, 2242265), (15, 1345359), (45, 448453), (223, 90495), (669, 30165), (1115, 18099), (2007, 10055), (2011, 10035), (3345, 6033)]