123709275

素因数分解:

$3^4\times 5^2\times {\mathrm{61091}}^1$

素因数の和:61113

約数の個数: 30

約数和(自身を含む): 229156092

約数和(自身を除く): 105446817

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 61091, 183273, 305455, 549819, 916365, 1527275, 1649457, 2749095, 4581825, 4948371, 8247285, 13745475, 24741855, 41236425, 123709275]

約数ペア:

[(1, 123709275), (3, 41236425), (5, 24741855), (9, 13745475), (15, 8247285), (25, 4948371), (27, 4581825), (45, 2749095), (75, 1649457), (81, 1527275), (135, 916365), (225, 549819), (405, 305455), (675, 183273), (2025, 61091)]