81907479

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{5519}}^1$

素因数の和:5639

約数の個数: 24

約数和(自身を含む): 126584640

約数和(自身を除く): 44677161

約数列:

[1, 3, 9, 17, 51, 97, 153, 291, 873, 1649, 4947, 5519, 14841, 16557, 49671, 93823, 281469, 535343, 844407, 1606029, 4818087, 9100831, 27302493, 81907479]

約数ペア:

[(1, 81907479), (3, 27302493), (9, 9100831), (17, 4818087), (51, 1606029), (97, 844407), (153, 535343), (291, 281469), (873, 93823), (1649, 49671), (4947, 16557), (5519, 14841)]