1520291409

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{2551}}^1$

素因数の和:2670

約数の個数: 64

約数和(自身を含む): 2606714880

約数和(自身を除く): 1086423471

約数列:

[1, 3, 7, 13, 21, 37, 39, 59, 91, 111, 177, 259, 273, 413, 481, 767, 777, 1239, 1443, 2183, 2301, 2551, 3367, 5369, 6549, 7653, 10101, 15281, 16107, 17857, 28379, 33163, 45843, 53571, 85137, 94387, 99489, 150509, 198653, 232141, 283161, 451527, 595959, 660709, 696423, 1053563, 1227031, 1956617, 1982127, 3160689, 3681093, 5568833, 5869851, 8589217, 13696319, 16706499, 25767651, 38981831, 41088957, 72394829, 116945493, 217184487, 506763803, 1520291409]

約数ペア:

[(1, 1520291409), (3, 506763803), (7, 217184487), (13, 116945493), (21, 72394829), (37, 41088957), (39, 38981831), (59, 25767651), (91, 16706499), (111, 13696319), (177, 8589217), (259, 5869851), (273, 5568833), (413, 3681093), (481, 3160689), (767, 1982127), (777, 1956617), (1239, 1227031), (1443, 1053563), (2183, 696423), (2301, 660709), (2551, 595959), (3367, 451527), (5369, 283161), (6549, 232141), (7653, 198653), (10101, 150509), (15281, 99489), (16107, 94387), (17857, 85137), (28379, 53571), (33163, 45843)]