81824961

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{883}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 122204160

約数和(自身を除く): 40379199

約数列:

[1, 3, 17, 23, 51, 69, 79, 237, 391, 883, 1173, 1343, 1817, 2649, 4029, 5451, 15011, 20309, 30889, 45033, 60927, 69757, 92667, 209271, 345253, 1035759, 1185869, 1604411, 3557607, 4813233, 27274987, 81824961]

約数ペア:

[(1, 81824961), (3, 27274987), (17, 4813233), (23, 3557607), (51, 1604411), (69, 1185869), (79, 1035759), (237, 345253), (391, 209271), (883, 92667), (1173, 69757), (1343, 60927), (1817, 45033), (2649, 30889), (4029, 20309), (5451, 15011)]