1285498755

素因数分解:

$3^4\times 5^1\times {\mathrm{3174071}}^1$

素因数の和:3174088

約数の個数: 20

約数和(自身を含む): 2304376272

約数和(自身を除く): 1018877517

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3174071, 9522213, 15870355, 28566639, 47611065, 85699917, 142833195, 257099751, 428499585, 1285498755]

約数ペア:

[(1, 1285498755), (3, 428499585), (5, 257099751), (9, 142833195), (15, 85699917), (27, 47611065), (45, 28566639), (81, 15870355), (135, 9522213), (405, 3174071)]