1778997

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 32

約数和(自身を含む): 2801664

約数和(自身を除く): 1022667

約数列:

[1, 3, 11, 31, 33, 37, 47, 93, 111, 141, 341, 407, 517, 1023, 1147, 1221, 1457, 1551, 1739, 3441, 4371, 5217, 12617, 16027, 19129, 37851, 48081, 53909, 57387, 161727, 592999, 1778997]

約数ペア:

[(1, 1778997), (3, 592999), (11, 161727), (31, 57387), (33, 53909), (37, 48081), (47, 37851), (93, 19129), (111, 16027), (141, 12617), (341, 5217), (407, 4371), (517, 3441), (1023, 1739), (1147, 1551), (1221, 1457)]