81138435

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{1669}}^1$

素因数の和:2147

約数の個数: 32

約数和(自身を含む): 148776960

約数和(自身を除く): 67638525

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 463, 1389, 1669, 2315, 3241, 5007, 6945, 8345, 9723, 11683, 16205, 25035, 35049, 48615, 58415, 175245, 772747, 2318241, 3863735, 5409229, 11591205, 16227687, 27046145, 81138435]

約数ペア:

[(1, 81138435), (3, 27046145), (5, 16227687), (7, 11591205), (15, 5409229), (21, 3863735), (35, 2318241), (105, 772747), (463, 175245), (1389, 58415), (1669, 48615), (2315, 35049), (3241, 25035), (5007, 16205), (6945, 11683), (8345, 9723)]