667080981

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{32381}}^1$

素因数の和:32506

約数の個数: 32

約数和(自身を含む): 1139846400

約数和(自身を除く): 472765419

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 763, 981, 2289, 2943, 6867, 20601, 32381, 97143, 226667, 291429, 680001, 874287, 2040003, 3529529, 6120009, 10588587, 24706703, 31765761, 74120109, 95297283, 222360327, 667080981]

約数ペア:

[(1, 667080981), (3, 222360327), (7, 95297283), (9, 74120109), (21, 31765761), (27, 24706703), (63, 10588587), (109, 6120009), (189, 3529529), (327, 2040003), (763, 874287), (981, 680001), (2289, 291429), (2943, 226667), (6867, 97143), (20601, 32381)]