1981425

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{911}}^1$

素因数の和:953

約数の個数: 24

約数和(自身を含む): 3392640

約数和(自身を除く): 1411215

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 911, 2175, 2733, 4555, 13665, 22775, 26419, 68325, 79257, 132095, 396285, 660475, 1981425]

約数ペア:

[(1, 1981425), (3, 660475), (5, 396285), (15, 132095), (25, 79257), (29, 68325), (75, 26419), (87, 22775), (145, 13665), (435, 4555), (725, 2733), (911, 2175)]