81662811

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1103}}^1$

素因数の和:1195

約数の個数: 32

約数和(自身を含む): 120821760

約数和(自身を除く): 39158949

約数列:

[1, 3, 23, 29, 37, 69, 87, 111, 667, 851, 1073, 1103, 2001, 2553, 3219, 3309, 24679, 25369, 31987, 40811, 74037, 76107, 95961, 122433, 735701, 938653, 1183519, 2207103, 2815959, 3550557, 27220937, 81662811]

約数ペア:

[(1, 81662811), (3, 27220937), (23, 3550557), (29, 2815959), (37, 2207103), (69, 1183519), (87, 938653), (111, 735701), (667, 122433), (851, 95961), (1073, 76107), (1103, 74037), (2001, 40811), (2553, 31987), (3219, 25369), (3309, 24679)]