2019921855

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{392599}}^1$

素因数の和:392628

約数の個数: 32

約数和(自身を含む): 3768960000

約数和(自身を除く): 1749038145

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145, 392599, 1177797, 1962995, 2748193, 5888985, 8244579, 13740965, 19237351, 41222895, 57712053, 96186755, 134661457, 288560265, 403984371, 673307285, 2019921855]

約数ペア:

[(1, 2019921855), (3, 673307285), (5, 403984371), (7, 288560265), (15, 134661457), (21, 96186755), (35, 57712053), (49, 41222895), (105, 19237351), (147, 13740965), (245, 8244579), (343, 5888985), (735, 2748193), (1029, 1962995), (1715, 1177797), (5145, 392599)]