31017231

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{28961}}^1$

素因数の和:28991

約数の個数: 24

約数和(自身を含む): 54216864

約数和(自身を除く): 23199633

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 28961, 86883, 202727, 260649, 492337, 608181, 1477011, 1824543, 3446359, 4431033, 10339077, 31017231]

約数ペア:

[(1, 31017231), (3, 10339077), (7, 4431033), (9, 3446359), (17, 1824543), (21, 1477011), (51, 608181), (63, 492337), (119, 260649), (153, 202727), (357, 86883), (1071, 28961)]