7271397

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 12492800

約数和(自身を除く): 5221403

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 189, 237, 487, 553, 711, 1461, 1659, 2133, 3409, 4383, 4977, 10227, 13149, 14931, 30681, 38473, 92043, 115419, 269311, 346257, 807933, 1038771, 2423799, 7271397]

約数ペア:

[(1, 7271397), (3, 2423799), (7, 1038771), (9, 807933), (21, 346257), (27, 269311), (63, 115419), (79, 92043), (189, 38473), (237, 30681), (487, 14931), (553, 13149), (711, 10227), (1461, 4977), (1659, 4383), (2133, 3409)]