207728415

素因数分解:

$3^3\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1783}}^1$

素因数の和:2660

約数の個数: 32

約数和(自身を含む): 369930240

約数和(自身を除く): 162201825

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 863, 1783, 2589, 4315, 5349, 7767, 8915, 12945, 16047, 23301, 26745, 38835, 48141, 80235, 116505, 240705, 1538729, 4616187, 7693645, 13848561, 23080935, 41545683, 69242805, 207728415]

約数ペア:

[(1, 207728415), (3, 69242805), (5, 41545683), (9, 23080935), (15, 13848561), (27, 7693645), (45, 4616187), (135, 1538729), (863, 240705), (1783, 116505), (2589, 80235), (4315, 48141), (5349, 38835), (7767, 26745), (8915, 23301), (12945, 16047)]