385385

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1$

素因数の和:54

約数の個数: 36

約数和(自身を含む): 636804

約数和(自身を除く): 251419

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 121, 143, 245, 385, 455, 539, 605, 637, 715, 847, 1001, 1573, 2695, 3185, 4235, 5005, 5929, 7007, 7865, 11011, 29645, 35035, 55055, 77077, 385385]

約数ペア:

[(1, 385385), (5, 77077), (7, 55055), (11, 35035), (13, 29645), (35, 11011), (49, 7865), (55, 7007), (65, 5929), (77, 5005), (91, 4235), (121, 3185), (143, 2695), (245, 1573), (385, 1001), (455, 847), (539, 715), (605, 637)]