1338525

素因数分解:

$3^4\times 5^2\times {\mathrm{661}}^1$

素因数の和:683

約数の個数: 30

約数和(自身を含む): 2483162

約数和(自身を除く): 1144637

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 661, 675, 1983, 2025, 3305, 5949, 9915, 16525, 17847, 29745, 49575, 53541, 89235, 148725, 267705, 446175, 1338525]

約数ペア:

[(1, 1338525), (3, 446175), (5, 267705), (9, 148725), (15, 89235), (25, 53541), (27, 49575), (45, 29745), (75, 17847), (81, 16525), (135, 9915), (225, 5949), (405, 3305), (661, 2025), (675, 1983)]