1280291205

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{100297}}^1$

素因数の和:100365

約数の個数: 32

約数和(自身を含む): 2195322624

約数和(自身を除く): 915031419

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 2553, 4255, 12765, 100297, 300891, 501485, 1504455, 2306831, 3710989, 6920493, 11132967, 11534155, 18554945, 34602465, 55664835, 85352747, 256058241, 426763735, 1280291205]

約数ペア:

[(1, 1280291205), (3, 426763735), (5, 256058241), (15, 85352747), (23, 55664835), (37, 34602465), (69, 18554945), (111, 11534155), (115, 11132967), (185, 6920493), (345, 3710989), (555, 2306831), (851, 1504455), (2553, 501485), (4255, 300891), (12765, 100297)]