77981175

素因数分解:

$3^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{2729}}^1$

素因数の和:2872

約数の個数: 36

約数和(自身を含む): 140824320

約数和(自身を除く): 62843145

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 127, 225, 381, 635, 1143, 1905, 2729, 3175, 5715, 8187, 9525, 13645, 24561, 28575, 40935, 68225, 122805, 204675, 346583, 614025, 1039749, 1732915, 3119247, 5198745, 8664575, 15596235, 25993725, 77981175]

約数ペア:

[(1, 77981175), (3, 25993725), (5, 15596235), (9, 8664575), (15, 5198745), (25, 3119247), (45, 1732915), (75, 1039749), (127, 614025), (225, 346583), (381, 204675), (635, 122805), (1143, 68225), (1905, 40935), (2729, 28575), (3175, 24561), (5715, 13645), (8187, 9525)]