80902557

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:407

約数の個数: 40

約数和(自身を含む): 125452800

約数和(自身を除く): 44550243

約数列:

[1, 3, 9, 27, 47, 79, 81, 141, 237, 269, 423, 711, 807, 1269, 2133, 2421, 3713, 3807, 6399, 7263, 11139, 12643, 21251, 21789, 33417, 37929, 63753, 100251, 113787, 191259, 300753, 341361, 573777, 998797, 1024083, 1721331, 2996391, 8989173, 26967519, 80902557]

約数ペア:

[(1, 80902557), (3, 26967519), (9, 8989173), (27, 2996391), (47, 1721331), (79, 1024083), (81, 998797), (141, 573777), (237, 341361), (269, 300753), (423, 191259), (711, 113787), (807, 100251), (1269, 63753), (2133, 37929), (2421, 33417), (3713, 21789), (3807, 21251), (6399, 12643), (7263, 11139)]