3990805

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 6048000

約数和(自身を除く): 2057195

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 179, 245, 343, 455, 637, 895, 1253, 1715, 2327, 3185, 4459, 6265, 8771, 11635, 16289, 22295, 43855, 61397, 81445, 114023, 306985, 570115, 798161, 3990805]

約数ペア:

[(1, 3990805), (5, 798161), (7, 570115), (13, 306985), (35, 114023), (49, 81445), (65, 61397), (91, 43855), (179, 22295), (245, 16289), (343, 11635), (455, 8771), (637, 6265), (895, 4459), (1253, 3185), (1715, 2327)]