74784789

素因数分解:

$3^4\times {\mathrm{647}}^1\times {\mathrm{1427}}^1$

素因数の和:2086

約数の個数: 20

約数和(自身を含む): 111966624

約数和(自身を除く): 37181835

約数列:

[1, 3, 9, 27, 81, 647, 1427, 1941, 4281, 5823, 12843, 17469, 38529, 52407, 115587, 923269, 2769807, 8309421, 24928263, 74784789]

約数ペア:

[(1, 74784789), (3, 24928263), (9, 8309421), (27, 2769807), (81, 923269), (647, 115587), (1427, 52407), (1941, 38529), (4281, 17469), (5823, 12843)]