64888629

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1307}}^1$

素因数の和:1409

約数の個数: 32

約数和(自身を含む): 99617280

約数和(自身を除く): 34728651

約数列:

[1, 3, 13, 19, 39, 57, 67, 201, 247, 741, 871, 1273, 1307, 2613, 3819, 3921, 16549, 16991, 24833, 49647, 50973, 74499, 87569, 262707, 322829, 968487, 1138397, 1663811, 3415191, 4991433, 21629543, 64888629]

約数ペア:

[(1, 64888629), (3, 21629543), (13, 4991433), (19, 3415191), (39, 1663811), (57, 1138397), (67, 968487), (201, 322829), (247, 262707), (741, 87569), (871, 74499), (1273, 50973), (1307, 49647), (2613, 24833), (3819, 16991), (3921, 16549)]