1280452551

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1966901}}^1$

素因数の和:1966942

約数の個数: 16

約数和(自身を含む): 2014107648

約数和(自身を除く): 733655097

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 1966901, 5900703, 13768307, 41304921, 60973931, 182921793, 426817517, 1280452551]

約数ペア:

[(1, 1280452551), (3, 426817517), (7, 182921793), (21, 60973931), (31, 41304921), (93, 13768307), (217, 5900703), (651, 1966901)]