56142681

素因数分解:

$3^1\times 7^2\times {\mathrm{617}}^1\times {\mathrm{619}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 87360480

約数和(自身を除く): 31217799

約数列:

[1, 3, 7, 21, 49, 147, 617, 619, 1851, 1857, 4319, 4333, 12957, 12999, 30233, 30331, 90699, 90993, 381923, 1145769, 2673461, 8020383, 18714227, 56142681]

約数ペア:

[(1, 56142681), (3, 18714227), (7, 8020383), (21, 2673461), (49, 1145769), (147, 381923), (617, 90993), (619, 90699), (1851, 30331), (1857, 30233), (4319, 12999), (4333, 12957)]