15393555

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 28304640

約数和(自身を除く): 12911085

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 107, 115, 139, 207, 321, 345, 417, 535, 695, 963, 1035, 1251, 1605, 2085, 2461, 3197, 4815, 6255, 7383, 9591, 12305, 14873, 15985, 22149, 28773, 36915, 44619, 47955, 74365, 110745, 133857, 143865, 223095, 342079, 669285, 1026237, 1710395, 3078711, 5131185, 15393555]

約数ペア:

[(1, 15393555), (3, 5131185), (5, 3078711), (9, 1710395), (15, 1026237), (23, 669285), (45, 342079), (69, 223095), (107, 143865), (115, 133857), (139, 110745), (207, 74365), (321, 47955), (345, 44619), (417, 36915), (535, 28773), (695, 22149), (963, 15985), (1035, 14873), (1251, 12305), (1605, 9591), (2085, 7383), (2461, 6255), (3197, 4815)]