3920217

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 6451200

約数和(自身を除く): 2530983

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 139, 237, 357, 417, 553, 973, 1343, 1659, 2363, 2919, 4029, 7089, 9401, 10981, 16541, 28203, 32943, 49623, 76867, 186677, 230601, 560031, 1306739, 3920217]

約数ペア:

[(1, 3920217), (3, 1306739), (7, 560031), (17, 230601), (21, 186677), (51, 76867), (79, 49623), (119, 32943), (139, 28203), (237, 16541), (357, 10981), (417, 9401), (553, 7089), (973, 4029), (1343, 2919), (1659, 2363)]