74974725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 154906752

約数和(自身を除く): 79932027

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 181, 225, 263, 315, 525, 543, 789, 905, 1267, 1315, 1575, 1629, 1841, 2367, 2715, 3801, 3945, 4525, 5523, 6335, 6575, 8145, 9205, 11403, 11835, 13575, 16569, 19005, 19725, 27615, 31675, 40725, 46025, 47603, 57015, 59175, 82845, 95025, 138075, 142809, 238015, 285075, 333221, 414225, 428427, 714045, 999663, 1190075, 1666105, 2142135, 2998989, 3570225, 4998315, 8330525, 10710675, 14994945, 24991575, 74974725]

約数ペア:

[(1, 74974725), (3, 24991575), (5, 14994945), (7, 10710675), (9, 8330525), (15, 4998315), (21, 3570225), (25, 2998989), (35, 2142135), (45, 1666105), (63, 1190075), (75, 999663), (105, 714045), (175, 428427), (181, 414225), (225, 333221), (263, 285075), (315, 238015), (525, 142809), (543, 138075), (789, 95025), (905, 82845), (1267, 59175), (1315, 57015), (1575, 47603), (1629, 46025), (1841, 40725), (2367, 31675), (2715, 27615), (3801, 19725), (3945, 19005), (4525, 16569), (5523, 13575), (6335, 11835), (6575, 11403), (8145, 9205)]