68336805

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 111767040

約数和(自身を除く): 43430235

約数列:

[1, 3, 5, 15, 83, 131, 249, 393, 415, 419, 655, 1245, 1257, 1965, 2095, 6285, 10873, 32619, 34777, 54365, 54889, 104331, 163095, 164667, 173885, 274445, 521655, 823335, 4555787, 13667361, 22778935, 68336805]

約数ペア:

[(1, 68336805), (3, 22778935), (5, 13667361), (15, 4555787), (83, 823335), (131, 521655), (249, 274445), (393, 173885), (415, 164667), (419, 163095), (655, 104331), (1245, 54889), (1257, 54365), (1965, 34777), (2095, 32619), (6285, 10873)]