389423601

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{325333}}^1$

素因数の和:325365

約数の個数: 24

約数和(自身を含む): 676694720

約数和(自身を除く): 287271119

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 325333, 975999, 2277331, 2927997, 6181327, 6831993, 18543981, 20495979, 43269289, 55631943, 129807867, 389423601]

約数ペア:

[(1, 389423601), (3, 129807867), (7, 55631943), (9, 43269289), (19, 20495979), (21, 18543981), (57, 6831993), (63, 6181327), (133, 2927997), (171, 2277331), (399, 975999), (1197, 325333)]