207914769

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:443

約数の個数: 40

約数和(自身を含む): 317813760

約数和(自身を除く): 109898991

約数列:

[1, 3, 9, 27, 81, 89, 151, 191, 267, 453, 573, 801, 1359, 1719, 2403, 4077, 5157, 7209, 12231, 13439, 15471, 16999, 28841, 40317, 50997, 86523, 120951, 152991, 259569, 362853, 458973, 778707, 1088559, 1376919, 2336121, 2566849, 7700547, 23101641, 69304923, 207914769]

約数ペア:

[(1, 207914769), (3, 69304923), (9, 23101641), (27, 7700547), (81, 2566849), (89, 2336121), (151, 1376919), (191, 1088559), (267, 778707), (453, 458973), (573, 362853), (801, 259569), (1359, 152991), (1719, 120951), (2403, 86523), (4077, 50997), (5157, 40317), (7209, 28841), (12231, 16999), (13439, 15471)]