389638377

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{33023}}^1$

素因数の和:33074

約数の個数: 32

約数和(自身を含む): 634060800

約数和(自身を除く): 244422423

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 171, 207, 437, 513, 621, 1311, 3933, 11799, 33023, 99069, 297207, 627437, 759529, 891621, 1882311, 2278587, 5646933, 6835761, 14431051, 16940799, 20507283, 43293153, 129879459, 389638377]

約数ペア:

[(1, 389638377), (3, 129879459), (9, 43293153), (19, 20507283), (23, 16940799), (27, 14431051), (57, 6835761), (69, 5646933), (171, 2278587), (207, 1882311), (437, 891621), (513, 759529), (621, 627437), (1311, 297207), (3933, 99069), (11799, 33023)]