201018045

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{4253}}^1$

素因数の和:4421

約数の個数: 32

約数和(自身を含む): 338141952

約数和(自身を除く): 137123907

約数列:

[1, 3, 5, 15, 23, 69, 115, 137, 345, 411, 685, 2055, 3151, 4253, 9453, 12759, 15755, 21265, 47265, 63795, 97819, 293457, 489095, 582661, 1467285, 1747983, 2913305, 8739915, 13401203, 40203609, 67006015, 201018045]

約数ペア:

[(1, 201018045), (3, 67006015), (5, 40203609), (15, 13401203), (23, 8739915), (69, 2913305), (115, 1747983), (137, 1467285), (345, 582661), (411, 489095), (685, 293457), (2055, 97819), (3151, 63795), (4253, 47265), (9453, 21265), (12759, 15755)]