213565105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 285401088

約数和(自身を除く): 71835983

約数列:

[1, 5, 13, 41, 65, 127, 205, 533, 631, 635, 1651, 2665, 3155, 5207, 8203, 8255, 25871, 26035, 41015, 67691, 80137, 129355, 336323, 338455, 400685, 1041781, 1681615, 3285617, 5208905, 16428085, 42713021, 213565105]

約数ペア:

[(1, 213565105), (5, 42713021), (13, 16428085), (41, 5208905), (65, 3285617), (127, 1681615), (205, 1041781), (533, 400685), (631, 338455), (635, 336323), (1651, 129355), (2665, 80137), (3155, 67691), (5207, 41015), (8203, 26035), (8255, 25871)]