320883507

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{17747}}^1$

素因数の和:17808

約数の個数: 36

約数和(自身を含む): 552353256

約数和(自身を除く): 231469749

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 2009, 2583, 6027, 17747, 18081, 53241, 124229, 159723, 372687, 727627, 869603, 1118061, 2182881, 2608809, 5093389, 6548643, 7826427, 15280167, 35653723, 45840501, 106961169, 320883507]

約数ペア:

[(1, 320883507), (3, 106961169), (7, 45840501), (9, 35653723), (21, 15280167), (41, 7826427), (49, 6548643), (63, 5093389), (123, 2608809), (147, 2182881), (287, 1118061), (369, 869603), (441, 727627), (861, 372687), (2009, 159723), (2583, 124229), (6027, 53241), (17747, 18081)]