156694989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 235146240

約数和(自身を除く): 78451251

約数列:

[1, 3, 11, 33, 41, 123, 179, 451, 537, 647, 1353, 1941, 1969, 5907, 7117, 7339, 21351, 22017, 26527, 79581, 80729, 115813, 242187, 291797, 347439, 875391, 1273943, 3821829, 4748333, 14244999, 52231663, 156694989]

約数ペア:

[(1, 156694989), (3, 52231663), (11, 14244999), (33, 4748333), (41, 3821829), (123, 1273943), (179, 875391), (451, 347439), (537, 291797), (647, 242187), (1353, 115813), (1941, 80729), (1969, 79581), (5907, 26527), (7117, 22017), (7339, 21351)]