137820977

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 165528000

約数和(自身を除く): 27707023

約数列:

[1, 7, 43, 49, 149, 301, 439, 1043, 2107, 3073, 6407, 7301, 18877, 21511, 44849, 65411, 132139, 313943, 457877, 924973, 2812673, 3205139, 19688711, 137820977]

約数ペア:

[(1, 137820977), (7, 19688711), (43, 3205139), (49, 2812673), (149, 924973), (301, 457877), (439, 313943), (1043, 132139), (2107, 65411), (3073, 44849), (6407, 21511), (7301, 18877)]