71471805

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3821}}^1$

素因数の和:3901

約数の個数: 32

約数和(自身を含む): 121080960

約数和(自身を除く): 49609155

約数列:

[1, 3, 5, 15, 29, 43, 87, 129, 145, 215, 435, 645, 1247, 3741, 3821, 6235, 11463, 18705, 19105, 57315, 110809, 164303, 332427, 492909, 554045, 821515, 1662135, 2464545, 4764787, 14294361, 23823935, 71471805]

約数ペア:

[(1, 71471805), (3, 23823935), (5, 14294361), (15, 4764787), (29, 2464545), (43, 1662135), (87, 821515), (129, 554045), (145, 492909), (215, 332427), (435, 164303), (645, 110809), (1247, 57315), (3741, 19105), (3821, 18705), (6235, 11463)]