201721311

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{569}}^1\times {\mathrm{3581}}^1$

素因数の和:4167

約数の個数: 24

約数和(自身を含む): 318511440

約数和(自身を除く): 116790129

約数列:

[1, 3, 9, 11, 33, 99, 569, 1707, 3581, 5121, 6259, 10743, 18777, 32229, 39391, 56331, 118173, 354519, 2037589, 6112767, 18338301, 22413479, 67240437, 201721311]

約数ペア:

[(1, 201721311), (3, 67240437), (9, 22413479), (11, 18338301), (33, 6112767), (99, 2037589), (569, 354519), (1707, 118173), (3581, 56331), (5121, 39391), (6259, 32229), (10743, 18777)]