207868857

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2143}}^1$

素因数の和:2333

約数の個数: 32

約数和(自身を含む): 329318400

約数和(自身を除く): 121449543

約数列:

[1, 3, 7, 21, 31, 93, 149, 217, 447, 651, 1043, 2143, 3129, 4619, 6429, 13857, 15001, 32333, 45003, 66433, 96999, 199299, 319307, 465031, 957921, 1395093, 2235149, 6705447, 9898517, 29695551, 69289619, 207868857]

約数ペア:

[(1, 207868857), (3, 69289619), (7, 29695551), (21, 9898517), (31, 6705447), (93, 2235149), (149, 1395093), (217, 957921), (447, 465031), (651, 319307), (1043, 199299), (2143, 96999), (3129, 66433), (4619, 45003), (6429, 32333), (13857, 15001)]