266666091

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 376578048

約数和(自身を除く): 109911957

約数列:

[1, 3, 41, 43, 123, 127, 129, 381, 397, 1191, 1763, 5207, 5289, 5461, 15621, 16277, 16383, 17071, 48831, 50419, 51213, 151257, 223901, 671703, 699911, 2067179, 2099733, 2168017, 6201537, 6504051, 88888697, 266666091]

約数ペア:

[(1, 266666091), (3, 88888697), (41, 6504051), (43, 6201537), (123, 2168017), (127, 2099733), (129, 2067179), (381, 699911), (397, 671703), (1191, 223901), (1763, 151257), (5207, 51213), (5289, 50419), (5461, 48831), (15621, 17071), (16277, 16383)]