27890235

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19993}}^1$

素因数の和:20035

約数の個数: 24

約数和(自身を含む): 49905024

約数和(自身を除く): 22014789

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 19993, 59979, 99965, 179937, 299895, 619783, 899685, 1859349, 3098915, 5578047, 9296745, 27890235]

約数ペア:

[(1, 27890235), (3, 9296745), (5, 5578047), (9, 3098915), (15, 1859349), (31, 899685), (45, 619783), (93, 299895), (155, 179937), (279, 99965), (465, 59979), (1395, 19993)]