80172135

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1091}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 147184128

約数和(自身を除く): 67011993

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 71, 115, 207, 213, 345, 355, 639, 1035, 1065, 1091, 1633, 3195, 3273, 4899, 5455, 8165, 9819, 14697, 16365, 24495, 25093, 49095, 73485, 75279, 77461, 125465, 225837, 232383, 376395, 387305, 697149, 1129185, 1161915, 1781603, 3485745, 5344809, 8908015, 16034427, 26724045, 80172135]

約数ペア:

[(1, 80172135), (3, 26724045), (5, 16034427), (9, 8908015), (15, 5344809), (23, 3485745), (45, 1781603), (69, 1161915), (71, 1129185), (115, 697149), (207, 387305), (213, 376395), (345, 232383), (355, 225837), (639, 125465), (1035, 77461), (1065, 75279), (1091, 73485), (1633, 49095), (3195, 25093), (3273, 24495), (4899, 16365), (5455, 14697), (8165, 9819)]