12940893

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 23227776

約数和(自身を除く): 10286883

約数列:

[1, 3, 7, 9, 17, 21, 43, 51, 63, 119, 129, 153, 281, 301, 357, 387, 731, 843, 903, 1071, 1967, 2193, 2529, 2709, 4777, 5117, 5901, 6579, 12083, 14331, 15351, 17703, 33439, 36249, 42993, 46053, 84581, 100317, 108747, 205411, 253743, 300951, 616233, 761229, 1437877, 1848699, 4313631, 12940893]

約数ペア:

[(1, 12940893), (3, 4313631), (7, 1848699), (9, 1437877), (17, 761229), (21, 616233), (43, 300951), (51, 253743), (63, 205411), (119, 108747), (129, 100317), (153, 84581), (281, 46053), (301, 42993), (357, 36249), (387, 33439), (731, 17703), (843, 15351), (903, 14331), (1071, 12083), (1967, 6579), (2193, 5901), (2529, 5117), (2709, 4777)]