7878381

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2699}}^1$

素因数の和:2848

約数の個数: 16

約数和(自身を含む): 12096000

約数和(自身を除く): 4217619

約数列:

[1, 3, 7, 21, 139, 417, 973, 2699, 2919, 8097, 18893, 56679, 375161, 1125483, 2626127, 7878381]

約数ペア:

[(1, 7878381), (3, 2626127), (7, 1125483), (21, 375161), (139, 56679), (417, 18893), (973, 8097), (2699, 2919)]