90575055

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28349}}^1$

素因数の和:28431

約数の個数: 24

約数和(自身を含む): 159213600

約数和(自身を除く): 68638545

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 28349, 85047, 141745, 255141, 425235, 1275705, 2012779, 6038337, 10063895, 18115011, 30191685, 90575055]

約数ペア:

[(1, 90575055), (3, 30191685), (5, 18115011), (9, 10063895), (15, 6038337), (45, 2012779), (71, 1275705), (213, 425235), (355, 255141), (639, 141745), (1065, 85047), (3195, 28349)]