16819971

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 26956800

約数和(自身を除く): 10136829

約数列:

[1, 3, 7, 21, 29, 71, 87, 203, 213, 389, 497, 609, 1167, 1491, 2059, 2723, 6177, 8169, 11281, 14413, 27619, 33843, 43239, 78967, 82857, 193333, 236901, 579999, 800951, 2402853, 5606657, 16819971]

約数ペア:

[(1, 16819971), (3, 5606657), (7, 2402853), (21, 800951), (29, 579999), (71, 236901), (87, 193333), (203, 82857), (213, 78967), (389, 43239), (497, 33843), (609, 27619), (1167, 14413), (1491, 11281), (2059, 8169), (2723, 6177)]