31847823

素因数分解:

$3^6\times 7^1\times {\mathrm{79}}^2$

素因数の和:183

約数の個数: 42

約数和(自身を含む): 55270824

約数和(自身を除く): 23423001

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 189, 237, 243, 553, 567, 711, 729, 1659, 1701, 2133, 4977, 5103, 6241, 6399, 14931, 18723, 19197, 43687, 44793, 56169, 57591, 131061, 134379, 168507, 393183, 403137, 505521, 1179549, 1516563, 3538647, 4549689, 10615941, 31847823]

約数ペア:

[(1, 31847823), (3, 10615941), (7, 4549689), (9, 3538647), (21, 1516563), (27, 1179549), (63, 505521), (79, 403137), (81, 393183), (189, 168507), (237, 134379), (243, 131061), (553, 57591), (567, 56169), (711, 44793), (729, 43687), (1659, 19197), (1701, 18723), (2133, 14931), (4977, 6399), (5103, 6241)]