205651341

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{587}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 349300224

約数和(自身を除く): 143648883

約数列:

[1, 3, 7, 9, 21, 63, 67, 83, 201, 249, 469, 581, 587, 603, 747, 1407, 1743, 1761, 4109, 4221, 5229, 5283, 5561, 12327, 16683, 36981, 38927, 39329, 48721, 50049, 116781, 117987, 146163, 275303, 341047, 350343, 353961, 438489, 825909, 1023141, 2477727, 3069423, 3264307, 9792921, 22850149, 29378763, 68550447, 205651341]

約数ペア:

[(1, 205651341), (3, 68550447), (7, 29378763), (9, 22850149), (21, 9792921), (63, 3264307), (67, 3069423), (83, 2477727), (201, 1023141), (249, 825909), (469, 438489), (581, 353961), (587, 350343), (603, 341047), (747, 275303), (1407, 146163), (1743, 117987), (1761, 116781), (4109, 50049), (4221, 48721), (5229, 39329), (5283, 38927), (5561, 36981), (12327, 16683)]