12979845

素因数分解:

$3^7\times 5^1\times {\mathrm{1187}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 23379840

約数和(自身を除く): 10399995

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1187, 1215, 2187, 3561, 3645, 5935, 10683, 10935, 17805, 32049, 53415, 96147, 160245, 288441, 480735, 865323, 1442205, 2595969, 4326615, 12979845]

約数ペア:

[(1, 12979845), (3, 4326615), (5, 2595969), (9, 1442205), (15, 865323), (27, 480735), (45, 288441), (81, 160245), (135, 96147), (243, 53415), (405, 32049), (729, 17805), (1187, 10935), (1215, 10683), (2187, 5935), (3561, 3645)]