7880223

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 11984896

約数和(自身を除く): 4104673

約数列:

[1, 3, 13, 37, 39, 43, 111, 127, 129, 381, 481, 559, 1443, 1591, 1651, 1677, 4699, 4773, 4953, 5461, 14097, 16383, 20683, 61087, 62049, 70993, 183261, 202057, 212979, 606171, 2626741, 7880223]

約数ペア:

[(1, 7880223), (3, 2626741), (13, 606171), (37, 212979), (39, 202057), (43, 183261), (111, 70993), (127, 62049), (129, 61087), (381, 20683), (481, 16383), (559, 14097), (1443, 5461), (1591, 4953), (1651, 4773), (1677, 4699)]