120180921

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1129}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 189623040

約数和(自身を除く): 69442119

約数列:

[1, 3, 7, 21, 37, 111, 137, 259, 411, 777, 959, 1129, 2877, 3387, 5069, 7903, 15207, 23709, 35483, 41773, 106449, 125319, 154673, 292411, 464019, 877233, 1082711, 3248133, 5722901, 17168703, 40060307, 120180921]

約数ペア:

[(1, 120180921), (3, 40060307), (7, 17168703), (21, 5722901), (37, 3248133), (111, 1082711), (137, 877233), (259, 464019), (411, 292411), (777, 154673), (959, 125319), (1129, 106449), (2877, 41773), (3387, 35483), (5069, 23709), (7903, 15207)]