140481

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1$

素因数の和:74

約数の個数: 24

約数和(自身を含む): 234080

約数和(自身を除く): 93599

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 121, 129, 297, 363, 387, 473, 1089, 1161, 1419, 3267, 4257, 5203, 12771, 15609, 46827, 140481]

約数ペア:

[(1, 140481), (3, 46827), (9, 15609), (11, 12771), (27, 5203), (33, 4257), (43, 3267), (99, 1419), (121, 1161), (129, 1089), (297, 473), (363, 387)]