15380495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 6392305

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 221, 403, 449, 527, 1105, 2015, 2245, 2635, 5837, 6851, 7633, 13919, 29185, 34255, 38165, 69595, 99229, 180947, 236623, 496145, 904735, 1183115, 3076099, 15380495]

約数ペア:

[(1, 15380495), (5, 3076099), (13, 1183115), (17, 904735), (31, 496145), (65, 236623), (85, 180947), (155, 99229), (221, 69595), (403, 38165), (449, 34255), (527, 29185), (1105, 13919), (2015, 7633), (2245, 6851), (2635, 5837)]