81411915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3187}}^1$

素因数の和:3339

約数の個数: 32

約数和(自身を含む): 141394176

約数和(自身を除く): 59982261

約数列:

[1, 3, 5, 13, 15, 39, 65, 131, 195, 393, 655, 1703, 1965, 3187, 5109, 8515, 9561, 15935, 25545, 41431, 47805, 124293, 207155, 417497, 621465, 1252491, 2087485, 5427461, 6262455, 16282383, 27137305, 81411915]

約数ペア:

[(1, 81411915), (3, 27137305), (5, 16282383), (13, 6262455), (15, 5427461), (39, 2087485), (65, 1252491), (131, 621465), (195, 417497), (393, 207155), (655, 124293), (1703, 47805), (1965, 41431), (3187, 25545), (5109, 15935), (8515, 9561)]