864490977

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{52981}}^1$

素因数の和:53038

約数の個数: 36

約数和(自身を含む): 1491867156

約数和(自身を除く): 627376179

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 1813, 2331, 5439, 16317, 52981, 158943, 370867, 476829, 1112601, 1960297, 2596069, 3337803, 5880891, 7788207, 13722079, 17642673, 23364621, 41166237, 96054553, 123498711, 288163659, 864490977]

約数ペア:

[(1, 864490977), (3, 288163659), (7, 123498711), (9, 96054553), (21, 41166237), (37, 23364621), (49, 17642673), (63, 13722079), (111, 7788207), (147, 5880891), (259, 3337803), (333, 2596069), (441, 1960297), (777, 1112601), (1813, 476829), (2331, 370867), (5439, 158943), (16317, 52981)]