78308013

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^2\times {\mathrm{193}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 120813888

約数和(自身を除く): 42505875

約数列:

[1, 3, 7, 21, 139, 193, 417, 579, 973, 1351, 2919, 4053, 19321, 26827, 57963, 80481, 135247, 187789, 405741, 563367, 3728953, 11186859, 26102671, 78308013]

約数ペア:

[(1, 78308013), (3, 26102671), (7, 11186859), (21, 3728953), (139, 563367), (193, 405741), (417, 187789), (579, 135247), (973, 80481), (1351, 57963), (2919, 26827), (4053, 19321)]