2806377

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1123}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 4612896

約数和(自身を除く): 1806519

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 1123, 2499, 3369, 7861, 19091, 23583, 55027, 57273, 133637, 165081, 400911, 935459, 2806377]

約数ペア:

[(1, 2806377), (3, 935459), (7, 400911), (17, 165081), (21, 133637), (49, 57273), (51, 55027), (119, 23583), (147, 19091), (357, 7861), (833, 3369), (1123, 2499)]