30907989

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{28859}}^1$

素因数の和:28889

約数の個数: 24

約数和(自身を含む): 54025920

約数和(自身を除く): 23117931

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 28859, 86577, 202013, 259731, 490603, 606039, 1471809, 1818117, 3434221, 4415427, 10302663, 30907989]

約数ペア:

[(1, 30907989), (3, 10302663), (7, 4415427), (9, 3434221), (17, 1818117), (21, 1471809), (51, 606039), (63, 490603), (119, 259731), (153, 202013), (357, 86577), (1071, 28859)]