155655681

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 221184000

約数和(自身を除く): 65528319

約数列:

[1, 3, 31, 47, 93, 141, 149, 239, 447, 717, 1457, 4371, 4619, 7003, 7409, 11233, 13857, 21009, 22227, 33699, 35611, 106833, 217093, 348223, 651279, 1044669, 1103941, 1673717, 3311823, 5021151, 51885227, 155655681]

約数ペア:

[(1, 155655681), (3, 51885227), (31, 5021151), (47, 3311823), (93, 1673717), (141, 1103941), (149, 1044669), (239, 651279), (447, 348223), (717, 217093), (1457, 106833), (4371, 35611), (4619, 33699), (7003, 22227), (7409, 21009), (11233, 13857)]