3987207

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3331}}^1$

素因数の和:3363

約数の個数: 24

約数和(自身を含む): 6930560

約数和(自身を除く): 2943353

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 3331, 9993, 23317, 29979, 63289, 69951, 189867, 209853, 443023, 569601, 1329069, 3987207]

約数ペア:

[(1, 3987207), (3, 1329069), (7, 569601), (9, 443023), (19, 209853), (21, 189867), (57, 69951), (63, 63289), (133, 29979), (171, 23317), (399, 9993), (1197, 3331)]