30947973

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{86689}}^1$

素因数の和:86716

約数の個数: 16

約数和(自身を含む): 49933440

約数和(自身を除く): 18985467

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 86689, 260067, 606823, 1473713, 1820469, 4421139, 10315991, 30947973]

約数ペア:

[(1, 30947973), (3, 10315991), (7, 4421139), (17, 1820469), (21, 1473713), (51, 606823), (119, 260067), (357, 86689)]