201445965

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{639511}}^1$

素因数の和:639529

約数の個数: 24

約数和(自身を含む): 399055488

約数和(自身を除く): 197609523

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 639511, 1918533, 3197555, 4476577, 5755599, 9592665, 13429731, 22382885, 28777995, 40289193, 67148655, 201445965]

約数ペア:

[(1, 201445965), (3, 67148655), (5, 40289193), (7, 28777995), (9, 22382885), (15, 13429731), (21, 9592665), (35, 5755599), (45, 4476577), (63, 3197555), (105, 1918533), (315, 639511)]