870867207

素因数分解:

$3^4\times 7^1\times {\mathrm{307}}^1\times {\mathrm{5003}}^1$

素因数の和:5329

約数の個数: 40

約数和(自身を含む): 1491912576

約数和(自身を除く): 621045369

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 307, 567, 921, 2149, 2763, 5003, 6447, 8289, 15009, 19341, 24867, 35021, 45027, 58023, 105063, 135081, 174069, 315189, 405243, 945567, 1535921, 2836701, 4607763, 10751447, 13823289, 32254341, 41469867, 96763023, 124409601, 290289069, 870867207]

約数ペア:

[(1, 870867207), (3, 290289069), (7, 124409601), (9, 96763023), (21, 41469867), (27, 32254341), (63, 13823289), (81, 10751447), (189, 4607763), (307, 2836701), (567, 1535921), (921, 945567), (2149, 405243), (2763, 315189), (5003, 174069), (6447, 135081), (8289, 105063), (15009, 58023), (19341, 45027), (24867, 35021)]