214427961

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 352535040

約数和(自身を除く): 138107079

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 109, 279, 327, 341, 641, 981, 1023, 1199, 1923, 3069, 3379, 3597, 5769, 7051, 10137, 10791, 19871, 21153, 30411, 37169, 59613, 63459, 69869, 111507, 178839, 209607, 218581, 334521, 628821, 655743, 768559, 1967229, 2165939, 2305677, 6497817, 6917031, 19493451, 23825329, 71475987, 214427961]

約数ペア:

[(1, 214427961), (3, 71475987), (9, 23825329), (11, 19493451), (31, 6917031), (33, 6497817), (93, 2305677), (99, 2165939), (109, 1967229), (279, 768559), (327, 655743), (341, 628821), (641, 334521), (981, 218581), (1023, 209607), (1199, 178839), (1923, 111507), (3069, 69869), (3379, 63459), (3597, 59613), (5769, 37169), (7051, 30411), (10137, 21153), (10791, 19871)]