87651543

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^2\times {\mathrm{709}}^1$

素因数の和:784

約数の個数: 36

約数和(自身を含む): 140997480

約数和(自身を除く): 53345937

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 709, 841, 1421, 2127, 2523, 4263, 4963, 5887, 14889, 17661, 20561, 34741, 41209, 61683, 104223, 123627, 143927, 431781, 596269, 1007489, 1788807, 3022467, 4173883, 12521649, 29217181, 87651543]

約数ペア:

[(1, 87651543), (3, 29217181), (7, 12521649), (21, 4173883), (29, 3022467), (49, 1788807), (87, 1007489), (147, 596269), (203, 431781), (609, 143927), (709, 123627), (841, 104223), (1421, 61683), (2127, 41209), (2523, 34741), (4263, 20561), (4963, 17661), (5887, 14889)]