69278145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1033}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 117925632

約数和(自身を除く): 48647487

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 263, 789, 1033, 1315, 3099, 3945, 4471, 5165, 13413, 15495, 17561, 22355, 52683, 67065, 87805, 263415, 271679, 815037, 1358395, 4075185, 4618543, 13855629, 23092715, 69278145]

約数ペア:

[(1, 69278145), (3, 23092715), (5, 13855629), (15, 4618543), (17, 4075185), (51, 1358395), (85, 815037), (255, 271679), (263, 263415), (789, 87805), (1033, 67065), (1315, 52683), (3099, 22355), (3945, 17561), (4471, 15495), (5165, 13413)]