80291265

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 131053440

約数和(自身を除く): 50762175

約数列:

[1, 3, 5, 15, 97, 139, 291, 397, 417, 485, 695, 1191, 1455, 1985, 2085, 5955, 13483, 38509, 40449, 55183, 67415, 115527, 165549, 192545, 202245, 275915, 577635, 827745, 5352751, 16058253, 26763755, 80291265]

約数ペア:

[(1, 80291265), (3, 26763755), (5, 16058253), (15, 5352751), (97, 827745), (139, 577635), (291, 275915), (397, 202245), (417, 192545), (485, 165549), (695, 115527), (1191, 67415), (1455, 55183), (1985, 40449), (2085, 38509), (5955, 13483)]