645435

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{683}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 1313280

約数和(自身を除く): 667845

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 683, 945, 2049, 3415, 4781, 6147, 10245, 14343, 18441, 23905, 30735, 43029, 71715, 92205, 129087, 215145, 645435]

約数ペア:

[(1, 645435), (3, 215145), (5, 129087), (7, 92205), (9, 71715), (15, 43029), (21, 30735), (27, 23905), (35, 18441), (45, 14343), (63, 10245), (105, 6147), (135, 4781), (189, 3415), (315, 2049), (683, 945)]