213376545

素因数分解:

$3^3\times 5^1\times {\mathrm{1580567}}^1$

素因数の和:1580581

約数の個数: 16

約数和(自身を含む): 379336320

約数和(自身を除く): 165959775

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1580567, 4741701, 7902835, 14225103, 23708505, 42675309, 71125515, 213376545]

約数ペア:

[(1, 213376545), (3, 71125515), (5, 42675309), (9, 23708505), (15, 14225103), (27, 7902835), (45, 4741701), (135, 1580567)]