2013210855

素因数分解:

$3^4\times 5^1\times {\mathrm{4970891}}^1$

素因数の和:4970908

約数の個数: 20

約数和(自身を含む): 3608867592

約数和(自身を除く): 1595656737

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4970891, 14912673, 24854455, 44738019, 74563365, 134214057, 223690095, 402642171, 671070285, 2013210855]

約数ペア:

[(1, 2013210855), (3, 671070285), (5, 402642171), (9, 223690095), (15, 134214057), (27, 74563365), (45, 44738019), (81, 24854455), (135, 14912673), (405, 4970891)]