78840489

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2699}}^1$

素因数の和:2829

約数の個数: 32

約数和(自身を含む): 130636800

約数和(自身を除く): 51796311

約数列:

[1, 3, 7, 13, 21, 39, 91, 107, 273, 321, 749, 1391, 2247, 2699, 4173, 8097, 9737, 18893, 29211, 35087, 56679, 105261, 245609, 288793, 736827, 866379, 2021551, 3754309, 6064653, 11262927, 26280163, 78840489]

約数ペア:

[(1, 78840489), (3, 26280163), (7, 11262927), (13, 6064653), (21, 3754309), (39, 2021551), (91, 866379), (107, 736827), (273, 288793), (321, 245609), (749, 105261), (1391, 56679), (2247, 35087), (2699, 29211), (4173, 18893), (8097, 9737)]