9979221

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{27953}}^1$

素因数の和:27980

約数の個数: 16

約数和(自身を含む): 16101504

約数和(自身を除く): 6122283

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 27953, 83859, 195671, 475201, 587013, 1425603, 3326407, 9979221]

約数ペア:

[(1, 9979221), (3, 3326407), (7, 1425603), (17, 587013), (21, 475201), (51, 195671), (119, 83859), (357, 27953)]