81181197

素因数分解:

$3^5\times {\mathrm{439}}^1\times {\mathrm{761}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 122041920

約数和(自身を除く): 40860723

約数列:

[1, 3, 9, 27, 81, 243, 439, 761, 1317, 2283, 3951, 6849, 11853, 20547, 35559, 61641, 106677, 184923, 334079, 1002237, 3006711, 9020133, 27060399, 81181197]

約数ペア:

[(1, 81181197), (3, 27060399), (9, 9020133), (27, 3006711), (81, 1002237), (243, 334079), (439, 184923), (761, 106677), (1317, 61641), (2283, 35559), (3951, 20547), (6849, 11853)]