85431105

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2971}}^1$

素因数の和:3059

約数の個数: 40

約数和(自身を含む): 155352384

約数和(自身を除く): 69921279

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 2971, 3195, 5751, 8913, 9585, 14855, 26739, 28755, 44565, 80217, 133695, 210941, 240651, 401085, 632823, 1054705, 1203255, 1898469, 3164115, 5695407, 9492345, 17086221, 28477035, 85431105]

約数ペア:

[(1, 85431105), (3, 28477035), (5, 17086221), (9, 9492345), (15, 5695407), (27, 3164115), (45, 1898469), (71, 1203255), (81, 1054705), (135, 632823), (213, 401085), (355, 240651), (405, 210941), (639, 133695), (1065, 80217), (1917, 44565), (2971, 28755), (3195, 26739), (5751, 14855), (8913, 9585)]