314811

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 549120

約数和(自身を除く): 234309

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 263, 399, 789, 1197, 1841, 2367, 4997, 5523, 14991, 16569, 34979, 44973, 104937, 314811]

約数ペア:

[(1, 314811), (3, 104937), (7, 44973), (9, 34979), (19, 16569), (21, 14991), (57, 5523), (63, 4997), (133, 2367), (171, 1841), (263, 1197), (399, 789)]