128580387

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{829}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 191311680

約数和(自身を除く): 62731293

約数列:

[1, 3, 13, 39, 41, 97, 123, 291, 533, 829, 1261, 1599, 2487, 3783, 3977, 10777, 11931, 32331, 33989, 51701, 80413, 101967, 155103, 241239, 441857, 1045369, 1325571, 3136107, 3296933, 9890799, 42860129, 128580387]

約数ペア:

[(1, 128580387), (3, 42860129), (13, 9890799), (39, 3296933), (41, 3136107), (97, 1325571), (123, 1045369), (291, 441857), (533, 241239), (829, 155103), (1261, 101967), (1599, 80413), (2487, 51701), (3783, 33989), (3977, 32331), (10777, 11931)]