81729189

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3557}}^1$

素因数の和:3626

約数の個数: 32

約数和(自身を含む): 129795840

約数和(自身を除く): 48066651

約数列:

[1, 3, 9, 23, 27, 37, 69, 111, 207, 333, 621, 851, 999, 2553, 3557, 7659, 10671, 22977, 32013, 81811, 96039, 131609, 245433, 394827, 736299, 1184481, 2208897, 3027007, 3553443, 9081021, 27243063, 81729189]

約数ペア:

[(1, 81729189), (3, 27243063), (9, 9081021), (23, 3553443), (27, 3027007), (37, 2208897), (69, 1184481), (111, 736299), (207, 394827), (333, 245433), (621, 131609), (851, 96039), (999, 81811), (2553, 32013), (3557, 22977), (7659, 10671)]