81157863

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 115718400

約数和(自身を除く): 34560537

約数列:

[1, 3, 29, 59, 87, 97, 163, 177, 291, 489, 1711, 2813, 4727, 5133, 5723, 8439, 9617, 14181, 15811, 17169, 28851, 47433, 165967, 278893, 458519, 497901, 836679, 932849, 1375557, 2798547, 27052621, 81157863]

約数ペア:

[(1, 81157863), (3, 27052621), (29, 2798547), (59, 1375557), (87, 932849), (97, 836679), (163, 497901), (177, 458519), (291, 278893), (489, 165967), (1711, 47433), (2813, 28851), (4727, 17169), (5133, 15811), (5723, 14181), (8439, 9617)]