39897939

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 58245120

約数和(自身を除く): 18347181

約数列:

[1, 3, 23, 29, 69, 87, 127, 157, 381, 471, 667, 2001, 2921, 3611, 3683, 4553, 8763, 10833, 11049, 13659, 19939, 59817, 84709, 104719, 254127, 314157, 458597, 578231, 1375791, 1734693, 13299313, 39897939]

約数ペア:

[(1, 39897939), (3, 13299313), (23, 1734693), (29, 1375791), (69, 578231), (87, 458597), (127, 314157), (157, 254127), (381, 104719), (471, 84709), (667, 59817), (2001, 19939), (2921, 13659), (3611, 11049), (3683, 10833), (4553, 8763)]