218156745

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{2003}}^1$

素因数の和:2201

約数の個数: 32

約数和(自身を含む): 358411392

約数和(自身を除く): 140254647

約数列:

[1, 3, 5, 15, 53, 137, 159, 265, 411, 685, 795, 2003, 2055, 6009, 7261, 10015, 21783, 30045, 36305, 106159, 108915, 274411, 318477, 530795, 823233, 1372055, 1592385, 4116165, 14543783, 43631349, 72718915, 218156745]

約数ペア:

[(1, 218156745), (3, 72718915), (5, 43631349), (15, 14543783), (53, 4116165), (137, 1592385), (159, 1372055), (265, 823233), (411, 530795), (685, 318477), (795, 274411), (2003, 108915), (2055, 106159), (6009, 36305), (7261, 30045), (10015, 21783)]