80974725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1567}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 146990592

約数和(自身を除く): 66015867

約数列:

[1, 3, 5, 13, 15, 25, 39, 53, 65, 75, 159, 195, 265, 325, 689, 795, 975, 1325, 1567, 2067, 3445, 3975, 4701, 7835, 10335, 17225, 20371, 23505, 39175, 51675, 61113, 83051, 101855, 117525, 249153, 305565, 415255, 509275, 1079663, 1245765, 1527825, 2076275, 3238989, 5398315, 6228825, 16194945, 26991575, 80974725]

約数ペア:

[(1, 80974725), (3, 26991575), (5, 16194945), (13, 6228825), (15, 5398315), (25, 3238989), (39, 2076275), (53, 1527825), (65, 1245765), (75, 1079663), (159, 509275), (195, 415255), (265, 305565), (325, 249153), (689, 117525), (795, 101855), (975, 83051), (1325, 61113), (1567, 51675), (2067, 39175), (3445, 23505), (3975, 20371), (4701, 17225), (7835, 10335)]