291245319

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{797}}^1\times {\mathrm{2137}}^1$

素因数の和:2959

約数の個数: 24

約数和(自身を含む): 443592240

約数和(自身を除く): 152346921

約数列:

[1, 3, 9, 19, 57, 171, 797, 2137, 2391, 6411, 7173, 15143, 19233, 40603, 45429, 121809, 136287, 365427, 1703189, 5109567, 15328701, 32360591, 97081773, 291245319]

約数ペア:

[(1, 291245319), (3, 97081773), (9, 32360591), (19, 15328701), (57, 5109567), (171, 1703189), (797, 365427), (2137, 136287), (2391, 121809), (6411, 45429), (7173, 40603), (15143, 19233)]