31381371

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9767}}^1$

素因数の和:9800

約数の個数: 32

約数和(自身を含む): 56263680

約数和(自身を除く): 24882309

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 9767, 29301, 68369, 87903, 166039, 205107, 263709, 498117, 615321, 1162273, 1494351, 1845963, 3486819, 4483053, 10460457, 31381371]

約数ペア:

[(1, 31381371), (3, 10460457), (7, 4483053), (9, 3486819), (17, 1845963), (21, 1494351), (27, 1162273), (51, 615321), (63, 498117), (119, 263709), (153, 205107), (189, 166039), (357, 87903), (459, 68369), (1071, 29301), (3213, 9767)]