27940455

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20029}}^1$

素因数の和:20071

約数の個数: 24

約数和(自身を含む): 49994880

約数和(自身を除く): 22054425

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 20029, 60087, 100145, 180261, 300435, 620899, 901305, 1862697, 3104495, 5588091, 9313485, 27940455]

約数ペア:

[(1, 27940455), (3, 9313485), (5, 5588091), (9, 3104495), (15, 1862697), (31, 901305), (45, 620899), (93, 300435), (155, 180261), (279, 100145), (465, 60087), (1395, 20029)]