31708467

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 55511040

約数和(自身を除く): 23802573

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 79, 161, 207, 237, 277, 483, 553, 711, 831, 1449, 1659, 1817, 1939, 2493, 4977, 5451, 5817, 6371, 12719, 16353, 17451, 19113, 21883, 38157, 44597, 57339, 65649, 114471, 133791, 153181, 196947, 401373, 459543, 503309, 1378629, 1509927, 3523163, 4529781, 10569489, 31708467]

約数ペア:

[(1, 31708467), (3, 10569489), (7, 4529781), (9, 3523163), (21, 1509927), (23, 1378629), (63, 503309), (69, 459543), (79, 401373), (161, 196947), (207, 153181), (237, 133791), (277, 114471), (483, 65649), (553, 57339), (711, 44597), (831, 38157), (1449, 21883), (1659, 19113), (1817, 17451), (1939, 16353), (2493, 12719), (4977, 6371), (5451, 5817)]