217470957

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1583}}^1$

素因数の和:1801

約数の個数: 32

約数和(自身を含む): 332107776

約数和(自身を除く): 114636819

約数列:

[1, 3, 11, 23, 33, 69, 181, 253, 543, 759, 1583, 1991, 4163, 4749, 5973, 12489, 17413, 36409, 45793, 52239, 109227, 137379, 286523, 400499, 859569, 1201497, 3151753, 6590029, 9455259, 19770087, 72490319, 217470957]

約数ペア:

[(1, 217470957), (3, 72490319), (11, 19770087), (23, 9455259), (33, 6590029), (69, 3151753), (181, 1201497), (253, 859569), (543, 400499), (759, 286523), (1583, 137379), (1991, 109227), (4163, 52239), (4749, 45793), (5973, 36409), (12489, 17413)]