30987972

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{27767}}^1$

素因数の和:27808

約数の個数: 36

約数和(自身を含む): 80860416

約数和(自身を除く): 49872444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 27767, 55534, 83301, 111068, 166602, 249903, 333204, 499806, 860777, 999612, 1721554, 2582331, 3443108, 5164662, 7746993, 10329324, 15493986, 30987972]

約数ペア:

[(1, 30987972), (2, 15493986), (3, 10329324), (4, 7746993), (6, 5164662), (9, 3443108), (12, 2582331), (18, 1721554), (31, 999612), (36, 860777), (62, 499806), (93, 333204), (124, 249903), (186, 166602), (279, 111068), (372, 83301), (558, 55534), (1116, 27767)]