51389385

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1471}}^1$

素因数の和:1633

約数の個数: 32

約数和(自身を含む): 87754752

約数和(自身を除く): 36365367

約数列:

[1, 3, 5, 15, 17, 51, 85, 137, 255, 411, 685, 1471, 2055, 2329, 4413, 6987, 7355, 11645, 22065, 25007, 34935, 75021, 125035, 201527, 375105, 604581, 1007635, 3022905, 3425959, 10277877, 17129795, 51389385]

約数ペア:

[(1, 51389385), (3, 17129795), (5, 10277877), (15, 3425959), (17, 3022905), (51, 1007635), (85, 604581), (137, 375105), (255, 201527), (411, 125035), (685, 75021), (1471, 34935), (2055, 25007), (2329, 22065), (4413, 11645), (6987, 7355)]