1308555

素因数分解:

$3^6\times 5^1\times {\mathrm{359}}^1$

素因数の和:382

約数の個数: 28

約数和(自身を含む): 2360880

約数和(自身を除く): 1052325

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 359, 405, 729, 1077, 1215, 1795, 3231, 3645, 5385, 9693, 16155, 29079, 48465, 87237, 145395, 261711, 436185, 1308555]

約数ペア:

[(1, 1308555), (3, 436185), (5, 261711), (9, 145395), (15, 87237), (27, 48465), (45, 29079), (81, 16155), (135, 9693), (243, 5385), (359, 3645), (405, 3231), (729, 1795), (1077, 1215)]