9895977

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 18066048

約数和(自身を除く): 8170071

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 273, 281, 301, 387, 559, 819, 843, 903, 1677, 1967, 2529, 2709, 3653, 3913, 5031, 5901, 10959, 11739, 12083, 17703, 25571, 32877, 35217, 36249, 76713, 84581, 108747, 157079, 230139, 253743, 471237, 761229, 1099553, 1413711, 3298659, 9895977]

約数ペア:

[(1, 9895977), (3, 3298659), (7, 1413711), (9, 1099553), (13, 761229), (21, 471237), (39, 253743), (43, 230139), (63, 157079), (91, 108747), (117, 84581), (129, 76713), (273, 36249), (281, 35217), (301, 32877), (387, 25571), (559, 17703), (819, 12083), (843, 11739), (903, 10959), (1677, 5901), (1967, 5031), (2529, 3913), (2709, 3653)]