51700047

素因数分解:

$3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{1069}}^1$

素因数の和:1140

約数の個数: 32

約数和(自身を含む): 82176000

約数和(自身を除く): 30475953

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 343, 987, 1029, 1069, 2303, 3207, 6909, 7483, 16121, 22449, 48363, 50243, 52381, 150729, 157143, 351701, 366667, 1055103, 1100001, 2461907, 7385721, 17233349, 51700047]

約数ペア:

[(1, 51700047), (3, 17233349), (7, 7385721), (21, 2461907), (47, 1100001), (49, 1055103), (141, 366667), (147, 351701), (329, 157143), (343, 150729), (987, 52381), (1029, 50243), (1069, 48363), (2303, 22449), (3207, 16121), (6909, 7483)]