42816195

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1577

約数の個数: 40

約数和(自身を含む): 77885280

約数和(自身を除く): 35069085

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1489, 1917, 3195, 4467, 5751, 7445, 9585, 13401, 22335, 28755, 40203, 67005, 105719, 120609, 201015, 317157, 528595, 603045, 951471, 1585785, 2854413, 4757355, 8563239, 14272065, 42816195]

約数ペア:

[(1, 42816195), (3, 14272065), (5, 8563239), (9, 4757355), (15, 2854413), (27, 1585785), (45, 951471), (71, 603045), (81, 528595), (135, 317157), (213, 201015), (355, 120609), (405, 105719), (639, 67005), (1065, 40203), (1489, 28755), (1917, 22335), (3195, 13401), (4467, 9585), (5751, 7445)]