668713995

素因数分解:

$3^3\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{2503}}^1$

素因数の和:4496

約数の個数: 32

約数和(自身を含む): 1189900800

約数和(自身を除く): 521186805

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1979, 2503, 5937, 7509, 9895, 12515, 17811, 22527, 29685, 37545, 53433, 67581, 89055, 112635, 267165, 337905, 4953437, 14860311, 24767185, 44580933, 74301555, 133742799, 222904665, 668713995]

約数ペア:

[(1, 668713995), (3, 222904665), (5, 133742799), (9, 74301555), (15, 44580933), (27, 24767185), (45, 14860311), (135, 4953437), (1979, 337905), (2503, 267165), (5937, 112635), (7509, 89055), (9895, 67581), (12515, 53433), (17811, 37545), (22527, 29685)]