1283985

素因数分解:

$3^3\times 5^1\times {\mathrm{9511}}^1$

素因数の和:9525

約数の個数: 16

約数和(自身を含む): 2282880

約数和(自身を除く): 998895

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 9511, 28533, 47555, 85599, 142665, 256797, 427995, 1283985]

約数ペア:

[(1, 1283985), (3, 427995), (5, 256797), (9, 142665), (15, 85599), (27, 47555), (45, 28533), (135, 9511)]