208763919

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{84967}}^1$

素因数の和:84996

約数の個数: 32

約数和(自身を含む): 380656640

約数和(自身を除く): 171892721

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 84967, 254901, 594769, 764703, 1104571, 1784307, 2294109, 3313713, 5352921, 7731997, 9941139, 16058763, 23195991, 29823417, 69587973, 208763919]

約数ペア:

[(1, 208763919), (3, 69587973), (7, 29823417), (9, 23195991), (13, 16058763), (21, 9941139), (27, 7731997), (39, 5352921), (63, 3313713), (91, 2294109), (117, 1784307), (189, 1104571), (273, 764703), (351, 594769), (819, 254901), (2457, 84967)]