428265

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 768768

約数和(自身を除く): 340503

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 307, 465, 921, 1395, 1535, 2763, 4605, 9517, 13815, 28551, 47585, 85653, 142755, 428265]

約数ペア:

[(1, 428265), (3, 142755), (5, 85653), (9, 47585), (15, 28551), (31, 13815), (45, 9517), (93, 4605), (155, 2763), (279, 1535), (307, 1395), (465, 921)]