42205905

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19141}}^1$

素因数の和:19166

約数の個数: 36

約数和(自身を含む): 85105332

約数和(自身を除く): 42899427

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 19141, 57423, 95705, 133987, 172269, 287115, 401961, 669935, 861345, 937909, 1205883, 2009805, 2813727, 4689545, 6029415, 8441181, 14068635, 42205905]

約数ペア:

[(1, 42205905), (3, 14068635), (5, 8441181), (7, 6029415), (9, 4689545), (15, 2813727), (21, 2009805), (35, 1205883), (45, 937909), (49, 861345), (63, 669935), (105, 401961), (147, 287115), (245, 172269), (315, 133987), (441, 95705), (735, 57423), (2205, 19141)]