201856905

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{63179}}^1$

素因数の和:63261

約数の個数: 24

約数和(自身を含む): 354818880

約数和(自身を除く): 152961975

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 63179, 189537, 315895, 568611, 947685, 2843055, 4485709, 13457127, 22428545, 40371381, 67285635, 201856905]

約数ペア:

[(1, 201856905), (3, 67285635), (5, 40371381), (9, 22428545), (15, 13457127), (45, 4485709), (71, 2843055), (213, 947685), (355, 568611), (639, 315895), (1065, 189537), (3195, 63179)]