201829005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{640727}}^1$

素因数の和:640745

約数の個数: 24

約数和(自身を含む): 399814272

約数和(自身を除く): 197985267

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 640727, 1922181, 3203635, 4485089, 5766543, 9610905, 13455267, 22425445, 28832715, 40365801, 67276335, 201829005]

約数ペア:

[(1, 201829005), (3, 67276335), (5, 40365801), (7, 28832715), (9, 22425445), (15, 13455267), (21, 9610905), (35, 5766543), (45, 4485089), (63, 3203635), (105, 1922181), (315, 640727)]