7211985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 12735360

約数和(自身を除く): 5523375

約数列:

[1, 3, 5, 11, 15, 33, 55, 109, 165, 327, 401, 545, 1199, 1203, 1635, 2005, 3597, 4411, 5995, 6015, 13233, 17985, 22055, 43709, 66165, 131127, 218545, 480799, 655635, 1442397, 2403995, 7211985]

約数ペア:

[(1, 7211985), (3, 2403995), (5, 1442397), (11, 655635), (15, 480799), (33, 218545), (55, 131127), (109, 66165), (165, 43709), (327, 22055), (401, 17985), (545, 13233), (1199, 6015), (1203, 5995), (1635, 4411), (2005, 3597)]