1915893

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:159

約数の個数: 40

約数和(自身を含む): 3407360

約数和(自身を除く): 1491467

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 109, 189, 217, 279, 327, 567, 651, 763, 837, 981, 1953, 2289, 2511, 2943, 3379, 5859, 6867, 8829, 10137, 17577, 20601, 23653, 30411, 61803, 70959, 91233, 212877, 273699, 638631, 1915893]

約数ペア:

[(1, 1915893), (3, 638631), (7, 273699), (9, 212877), (21, 91233), (27, 70959), (31, 61803), (63, 30411), (81, 23653), (93, 20601), (109, 17577), (189, 10137), (217, 8829), (279, 6867), (327, 5859), (567, 3379), (651, 2943), (763, 2511), (837, 2289), (981, 1953)]