28289583

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2351}}^1$

素因数の和:2555

約数の個数: 24

約数和(自身を含む): 46964736

約数和(自身を除く): 18675153

約数列:

[1, 3, 7, 9, 21, 63, 191, 573, 1337, 1719, 2351, 4011, 7053, 12033, 16457, 21159, 49371, 148113, 449041, 1347123, 3143287, 4041369, 9429861, 28289583]

約数ペア:

[(1, 28289583), (3, 9429861), (7, 4041369), (9, 3143287), (21, 1347123), (63, 449041), (191, 148113), (573, 49371), (1337, 21159), (1719, 16457), (2351, 12033), (4011, 7053)]