15661784151

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{23563}}^1$

素因数の和:23637

約数の個数: 72

約数和(自身を含む): 26908202880

約数和(自身を除く): 11246418729

約数列:

[1, 3, 9, 13, 19, 23, 39, 57, 69, 117, 169, 171, 207, 247, 299, 437, 507, 741, 897, 1311, 1521, 2223, 2691, 3211, 3887, 3933, 5681, 9633, 11661, 17043, 23563, 28899, 34983, 51129, 70689, 73853, 212067, 221559, 306319, 447697, 541949, 664677, 918957, 1343091, 1625847, 2756871, 3982147, 4029273, 4877541, 5820061, 7045337, 10297031, 11946441, 17460183, 21136011, 30891093, 35839323, 52380549, 63408033, 75660793, 91589381, 92673279, 133861403, 226982379, 274768143, 401584209, 680947137, 824304429, 1204752627, 1740198239, 5220594717, 15661784151]

約数ペア:

[(1, 15661784151), (3, 5220594717), (9, 1740198239), (13, 1204752627), (19, 824304429), (23, 680947137), (39, 401584209), (57, 274768143), (69, 226982379), (117, 133861403), (169, 92673279), (171, 91589381), (207, 75660793), (247, 63408033), (299, 52380549), (437, 35839323), (507, 30891093), (741, 21136011), (897, 17460183), (1311, 11946441), (1521, 10297031), (2223, 7045337), (2691, 5820061), (3211, 4877541), (3887, 4029273), (3933, 3982147), (5681, 2756871), (9633, 1625847), (11661, 1343091), (17043, 918957), (23563, 664677), (28899, 541949), (34983, 447697), (51129, 306319), (70689, 221559), (73853, 212067)]