81746739

素因数分解:

$3^4\times {\mathrm{331}}^1\times {\mathrm{3049}}^1$

素因数の和:3392

約数の個数: 20

約数和(自身を含む): 122524600

約数和(自身を除く): 40777861

約数列:

[1, 3, 9, 27, 81, 331, 993, 2979, 3049, 8937, 9147, 26811, 27441, 82323, 246969, 1009219, 3027657, 9082971, 27248913, 81746739]

約数ペア:

[(1, 81746739), (3, 27248913), (9, 9082971), (27, 3027657), (81, 1009219), (331, 246969), (993, 82323), (2979, 27441), (3049, 26811), (8937, 9147)]