131218407

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1951}}^1$

素因数の和:2060

約数の個数: 32

約数和(自身を含む): 202383360

約数和(自身を除く): 71164953

約数列:

[1, 3, 9, 27, 47, 53, 141, 159, 423, 477, 1269, 1431, 1951, 2491, 5853, 7473, 17559, 22419, 52677, 67257, 91697, 103403, 275091, 310209, 825273, 930627, 2475819, 2791881, 4859941, 14579823, 43739469, 131218407]

約数ペア:

[(1, 131218407), (3, 43739469), (9, 14579823), (27, 4859941), (47, 2791881), (53, 2475819), (141, 930627), (159, 825273), (423, 310209), (477, 275091), (1269, 103403), (1431, 91697), (1951, 67257), (2491, 52677), (5853, 22419), (7473, 17559)]