278814303

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{70891}}^1$

素因数の和:70939

約数の個数: 24

約数和(自身を含む): 442366080

約数和(自身を除く): 163551777

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 70891, 212673, 638019, 1346929, 1630493, 4040787, 4891479, 12122361, 14674437, 30979367, 92938101, 278814303]

約数ペア:

[(1, 278814303), (3, 92938101), (9, 30979367), (19, 14674437), (23, 12122361), (57, 4891479), (69, 4040787), (171, 1630493), (207, 1346929), (437, 638019), (1311, 212673), (3933, 70891)]