219064839

素因数分解:

$3^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{1789}}^1$

素因数の和:1837

約数の個数: 40

約数和(自身を含む): 360992880

約数和(自身を除く): 141928041

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 1789, 2401, 2499, 5367, 5831, 7203, 12523, 17493, 30413, 37569, 40817, 87661, 91239, 122451, 212891, 262983, 613627, 638673, 1490237, 1840881, 4295389, 4470711, 10431659, 12886167, 31294977, 73021613, 219064839]

約数ペア:

[(1, 219064839), (3, 73021613), (7, 31294977), (17, 12886167), (21, 10431659), (49, 4470711), (51, 4295389), (119, 1840881), (147, 1490237), (343, 638673), (357, 613627), (833, 262983), (1029, 212891), (1789, 122451), (2401, 91239), (2499, 87661), (5367, 40817), (5831, 37569), (7203, 30413), (12523, 17493)]