42015155

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{863}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 62705664

約数和(自身を除く): 20690509

約数列:

[1, 5, 7, 13, 35, 65, 91, 107, 455, 535, 749, 863, 1391, 3745, 4315, 6041, 6955, 9737, 11219, 30205, 48685, 56095, 78533, 92341, 392665, 461705, 646387, 1200433, 3231935, 6002165, 8403031, 42015155]

約数ペア:

[(1, 42015155), (5, 8403031), (7, 6002165), (13, 3231935), (35, 1200433), (65, 646387), (91, 461705), (107, 392665), (455, 92341), (535, 78533), (749, 56095), (863, 48685), (1391, 30205), (3745, 11219), (4315, 9737), (6041, 6955)]