8515143

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 15602496

約数和(自身を除く): 7087353

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 91, 111, 117, 259, 273, 281, 333, 481, 777, 819, 843, 1443, 1967, 2331, 2529, 3367, 3653, 4329, 5901, 10101, 10397, 10959, 17703, 25571, 30303, 31191, 32877, 72779, 76713, 93573, 135161, 218337, 230139, 405483, 655011, 946127, 1216449, 2838381, 8515143]

約数ペア:

[(1, 8515143), (3, 2838381), (7, 1216449), (9, 946127), (13, 655011), (21, 405483), (37, 230139), (39, 218337), (63, 135161), (91, 93573), (111, 76713), (117, 72779), (259, 32877), (273, 31191), (281, 30303), (333, 25571), (481, 17703), (777, 10959), (819, 10397), (843, 10101), (1443, 5901), (1967, 4329), (2331, 3653), (2529, 3367)]