28758213

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2617}}^1$

素因数の和:2674

約数の個数: 32

約数和(自身を含む): 47752320

約数和(自身を除く): 18994107

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 2617, 3663, 7851, 10989, 23553, 28787, 70659, 86361, 96829, 259083, 290487, 777249, 871461, 1065119, 2614383, 3195357, 9586071, 28758213]

約数ペア:

[(1, 28758213), (3, 9586071), (9, 3195357), (11, 2614383), (27, 1065119), (33, 871461), (37, 777249), (99, 290487), (111, 259083), (297, 96829), (333, 86361), (407, 70659), (999, 28787), (1221, 23553), (2617, 10989), (3663, 7851)]