201147615

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 356705856

約数和(自身を除く): 155558241

約数列:

[1, 3, 5, 9, 15, 45, 71, 157, 213, 355, 401, 471, 639, 785, 1065, 1203, 1413, 2005, 2355, 3195, 3609, 6015, 7065, 11147, 18045, 28471, 33441, 55735, 62957, 85413, 100323, 142355, 167205, 188871, 256239, 314785, 427065, 501615, 566613, 944355, 1281195, 2833065, 4469947, 13409841, 22349735, 40229523, 67049205, 201147615]

約数ペア:

[(1, 201147615), (3, 67049205), (5, 40229523), (9, 22349735), (15, 13409841), (45, 4469947), (71, 2833065), (157, 1281195), (213, 944355), (355, 566613), (401, 501615), (471, 427065), (639, 314785), (785, 256239), (1065, 188871), (1203, 167205), (1413, 142355), (2005, 100323), (2355, 85413), (3195, 62957), (3609, 55735), (6015, 33441), (7065, 28471), (11147, 18045)]