15579949

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 20570112

約数和(自身を除く): 4990163

約数列:

[1, 7, 11, 31, 61, 77, 107, 217, 341, 427, 671, 749, 1177, 1891, 2387, 3317, 4697, 6527, 8239, 13237, 20801, 23219, 36487, 45689, 71797, 145607, 202337, 255409, 502579, 1416359, 2225707, 15579949]

約数ペア:

[(1, 15579949), (7, 2225707), (11, 1416359), (31, 502579), (61, 255409), (77, 202337), (107, 145607), (217, 71797), (341, 45689), (427, 36487), (671, 23219), (749, 20801), (1177, 13237), (1891, 8239), (2387, 6527), (3317, 4697)]