31667139

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1223}}^1$

素因数の和:1376

約数の個数: 32

約数和(自身を含む): 54051840

約数和(自身を除く): 22384701

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 959, 1223, 1233, 2877, 3669, 3699, 8561, 8631, 11007, 25683, 25893, 33021, 77049, 167551, 231147, 502653, 1172857, 1507959, 3518571, 4523877, 10555713, 31667139]

約数ペア:

[(1, 31667139), (3, 10555713), (7, 4523877), (9, 3518571), (21, 1507959), (27, 1172857), (63, 502653), (137, 231147), (189, 167551), (411, 77049), (959, 33021), (1223, 25893), (1233, 25683), (2877, 11007), (3669, 8631), (3699, 8561)]