221067789

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 319807488

約数和(自身を除く): 98739699

約数列:

[1, 3, 23, 31, 69, 93, 181, 543, 571, 713, 1713, 2139, 4163, 5611, 12489, 13133, 16833, 17701, 39399, 53103, 103351, 129053, 310053, 387159, 407123, 1221369, 2377073, 3203881, 7131219, 9611643, 73689263, 221067789]

約数ペア:

[(1, 221067789), (3, 73689263), (23, 9611643), (31, 7131219), (69, 3203881), (93, 2377073), (181, 1221369), (543, 407123), (571, 387159), (713, 310053), (1713, 129053), (2139, 103351), (4163, 53103), (5611, 39399), (12489, 17701), (13133, 16833)]