20180205

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1801}}^1$

素因数の和:1898

約数の個数: 32

約数和(自身を含む): 36328320

約数和(自身を除く): 16148115

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 415, 747, 1245, 1801, 2241, 3735, 5403, 9005, 11205, 16209, 27015, 48627, 81045, 149483, 243135, 448449, 747415, 1345347, 2242245, 4036041, 6726735, 20180205]

約数ペア:

[(1, 20180205), (3, 6726735), (5, 4036041), (9, 2242245), (15, 1345347), (27, 747415), (45, 448449), (83, 243135), (135, 149483), (249, 81045), (415, 48627), (747, 27015), (1245, 16209), (1801, 11205), (2241, 9005), (3735, 5403)]