81708399

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{433}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 126033600

約数和(自身を除く): 44325201

約数列:

[1, 3, 9, 27, 29, 87, 241, 261, 433, 723, 783, 1299, 2169, 3897, 6507, 6989, 11691, 12557, 20967, 37671, 62901, 104353, 113013, 188703, 313059, 339039, 939177, 2817531, 3026237, 9078711, 27236133, 81708399]

約数ペア:

[(1, 81708399), (3, 27236133), (9, 9078711), (27, 3026237), (29, 2817531), (87, 939177), (241, 339039), (261, 313059), (433, 188703), (723, 113013), (783, 104353), (1299, 62901), (2169, 37671), (3897, 20967), (6507, 12557), (6989, 11691)]