1289560095

素因数分解:

$3^4\times 5^1\times {\mathrm{3184099}}^1$

素因数の和:3184116

約数の個数: 20

約数和(自身を含む): 2311656600

約数和(自身を除く): 1022096505

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3184099, 9552297, 15920495, 28656891, 47761485, 85970673, 143284455, 257912019, 429853365, 1289560095]

約数ペア:

[(1, 1289560095), (3, 429853365), (5, 257912019), (9, 143284455), (15, 85970673), (27, 47761485), (45, 28656891), (81, 15920495), (135, 9552297), (405, 3184099)]