213915135

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{291041}}^1$

素因数の和:291063

約数の個数: 24

約数和(自身を含む): 398145456

約数和(自身を除く): 184230321

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 291041, 873123, 1455205, 2037287, 4365615, 6111861, 10186435, 14261009, 30559305, 42783027, 71305045, 213915135]

約数ペア:

[(1, 213915135), (3, 71305045), (5, 42783027), (7, 30559305), (15, 14261009), (21, 10186435), (35, 6111861), (49, 4365615), (105, 2037287), (147, 1455205), (245, 873123), (735, 291041)]