2108809647

素因数分解:

$3^6\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5231}}^1$

素因数の和:5335

約数の個数: 56

約数和(自身を含む): 3659888640

約数和(自身を除く): 1551078993

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 189, 237, 243, 553, 567, 711, 729, 1659, 1701, 2133, 4977, 5103, 5231, 6399, 14931, 15693, 19197, 36617, 44793, 47079, 57591, 109851, 134379, 141237, 329553, 403137, 413249, 423711, 988659, 1239747, 1271133, 2892743, 2965977, 3719241, 3813399, 8678229, 8897931, 11157723, 26034687, 26693793, 33473169, 78104061, 100419507, 234312183, 301258521, 702936549, 2108809647]

約数ペア:

[(1, 2108809647), (3, 702936549), (7, 301258521), (9, 234312183), (21, 100419507), (27, 78104061), (63, 33473169), (79, 26693793), (81, 26034687), (189, 11157723), (237, 8897931), (243, 8678229), (553, 3813399), (567, 3719241), (711, 2965977), (729, 2892743), (1659, 1271133), (1701, 1239747), (2133, 988659), (4977, 423711), (5103, 413249), (5231, 403137), (6399, 329553), (14931, 141237), (15693, 134379), (19197, 109851), (36617, 57591), (44793, 47079)]