814993317

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{17921}}^1$

素因数の和:18121

約数の個数: 24

約数和(自身を含む): 1222710528

約数和(自身を除く): 407717211

約数列:

[1, 3, 9, 31, 93, 163, 279, 489, 1467, 5053, 15159, 17921, 45477, 53763, 161289, 555551, 1666653, 2921123, 4999959, 8763369, 26290107, 90554813, 271664439, 814993317]

約数ペア:

[(1, 814993317), (3, 271664439), (9, 90554813), (31, 26290107), (93, 8763369), (163, 4999959), (279, 2921123), (489, 1666653), (1467, 555551), (5053, 161289), (15159, 53763), (17921, 45477)]