81485509

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{2699}}^1$

素因数の和:2952

約数の個数: 16

約数和(自身を含む): 98496000

約数和(自身を除く): 17010491

約数列:

[1, 7, 19, 133, 227, 1589, 2699, 4313, 18893, 30191, 51281, 358967, 612673, 4288711, 11640787, 81485509]

約数ペア:

[(1, 81485509), (7, 11640787), (19, 4288711), (133, 612673), (227, 358967), (1589, 51281), (2699, 30191), (4313, 18893)]