42847805

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1223}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 70326144

約数和(自身を除く): 27478339

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 143, 245, 385, 455, 539, 637, 715, 1001, 1223, 2695, 3185, 5005, 6115, 7007, 8561, 13453, 15899, 35035, 42805, 59927, 67265, 79495, 94171, 111293, 174889, 299635, 470855, 556465, 659197, 779051, 874445, 1224223, 3295985, 3895255, 6121115, 8569561, 42847805]

約数ペア:

[(1, 42847805), (5, 8569561), (7, 6121115), (11, 3895255), (13, 3295985), (35, 1224223), (49, 874445), (55, 779051), (65, 659197), (77, 556465), (91, 470855), (143, 299635), (245, 174889), (385, 111293), (455, 94171), (539, 79495), (637, 67265), (715, 59927), (1001, 42805), (1223, 35035), (2695, 15899), (3185, 13453), (5005, 8561), (6115, 7007)]