289754421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{647}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 433714176

約数和(自身を除く): 143959755

約数列:

[1, 3, 11, 33, 41, 123, 331, 451, 647, 993, 1353, 1941, 3641, 7117, 10923, 13571, 21351, 26527, 40713, 79581, 149281, 214157, 291797, 447843, 642471, 875391, 2355727, 7067181, 8780437, 26341311, 96584807, 289754421]

約数ペア:

[(1, 289754421), (3, 96584807), (11, 26341311), (33, 8780437), (41, 7067181), (123, 2355727), (331, 875391), (451, 642471), (647, 447843), (993, 291797), (1353, 214157), (1941, 149281), (3641, 79581), (7117, 40713), (10923, 26527), (13571, 21351)]