27901020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{66431}}^1$

素因数の和:66450

約数の個数: 48

約数和(自身を含む): 89284608

約数和(自身を除く): 61383588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 66431, 132862, 199293, 265724, 332155, 398586, 465017, 664310, 797172, 930034, 996465, 1328620, 1395051, 1860068, 1992930, 2325085, 2790102, 3985860, 4650170, 5580204, 6975255, 9300340, 13950510, 27901020]

約数ペア:

[(1, 27901020), (2, 13950510), (3, 9300340), (4, 6975255), (5, 5580204), (6, 4650170), (7, 3985860), (10, 2790102), (12, 2325085), (14, 1992930), (15, 1860068), (20, 1395051), (21, 1328620), (28, 996465), (30, 930034), (35, 797172), (42, 664310), (60, 465017), (70, 398586), (84, 332155), (105, 265724), (140, 199293), (210, 132862), (420, 66431)]