51611343

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 80510976

約数和(自身を除く): 28899633

約数列:

[1, 3, 7, 21, 103, 107, 223, 309, 321, 669, 721, 749, 1561, 2163, 2247, 4683, 11021, 22969, 23861, 33063, 68907, 71583, 77147, 160783, 167027, 231441, 482349, 501081, 2457683, 7373049, 17203781, 51611343]

約数ペア:

[(1, 51611343), (3, 17203781), (7, 7373049), (21, 2457683), (103, 501081), (107, 482349), (223, 231441), (309, 167027), (321, 160783), (669, 77147), (721, 71583), (749, 68907), (1561, 33063), (2163, 23861), (2247, 22969), (4683, 11021)]