161786511

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 246583040

約数和(自身を除く): 84796529

約数列:

[1, 3, 9, 27, 43, 129, 331, 387, 421, 993, 1161, 1263, 2979, 3789, 8937, 11367, 14233, 18103, 42699, 54309, 128097, 139351, 162927, 384291, 418053, 488781, 1254159, 3762477, 5992093, 17976279, 53928837, 161786511]

約数ペア:

[(1, 161786511), (3, 53928837), (9, 17976279), (27, 5992093), (43, 3762477), (129, 1254159), (331, 488781), (387, 418053), (421, 384291), (993, 162927), (1161, 139351), (1263, 128097), (2979, 54309), (3789, 42699), (8937, 18103), (11367, 14233)]