81489499

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6733}}^1$

素因数の和:6779

約数の個数: 24

約数和(自身を含む): 107474640

約数和(自身を除く): 25985141

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1729, 6733, 12103, 47131, 87529, 127927, 329917, 612703, 895489, 1663051, 4288921, 6268423, 11641357, 81489499]

約数ペア:

[(1, 81489499), (7, 11641357), (13, 6268423), (19, 4288921), (49, 1663051), (91, 895489), (133, 612703), (247, 329917), (637, 127927), (931, 87529), (1729, 47131), (6733, 12103)]