8223219

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{2531}}^1$

素因数の和:2575

約数の個数: 18

約数和(自身を含む): 12540996

約数和(自身を除く): 4317777

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 2531, 3249, 7593, 22779, 48089, 144267, 432801, 913691, 2741073, 8223219]

約数ペア:

[(1, 8223219), (3, 2741073), (9, 913691), (19, 432801), (57, 144267), (171, 48089), (361, 22779), (1083, 7593), (2531, 3249)]