287490111

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1163}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 420380928

約数和(自身を除く): 132890817

約数列:

[1, 3, 17, 37, 51, 111, 131, 393, 629, 1163, 1887, 2227, 3489, 4847, 6681, 14541, 19771, 43031, 59313, 82399, 129093, 152353, 247197, 457059, 731527, 2194581, 2590001, 5637061, 7770003, 16911183, 95830037, 287490111]

約数ペア:

[(1, 287490111), (3, 95830037), (17, 16911183), (37, 7770003), (51, 5637061), (111, 2590001), (131, 2194581), (393, 731527), (629, 457059), (1163, 247197), (1887, 152353), (2227, 129093), (3489, 82399), (4847, 59313), (6681, 43031), (14541, 19771)]