201651345

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{640163}}^1$

素因数の和:640181

約数の個数: 24

約数和(自身を含む): 399462336

約数和(自身を除く): 197810991

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 640163, 1920489, 3200815, 4481141, 5761467, 9602445, 13443423, 22405705, 28807335, 40330269, 67217115, 201651345]

約数ペア:

[(1, 201651345), (3, 67217115), (5, 40330269), (7, 28807335), (9, 22405705), (15, 13443423), (21, 9602445), (35, 5761467), (45, 4481141), (63, 3200815), (105, 1920489), (315, 640163)]