81820155039

素因数分解:

$3^1\times 7^1\times {\mathrm{15307}}^1\times {\mathrm{254537}}^1$

素因数の和:269854

約数の個数: 16

約数和(自身を含む): 124686966528

約数和(自身を除く): 42866811489

約数列:

[1, 3, 7, 21, 15307, 45921, 107149, 254537, 321447, 763611, 1781759, 5345277, 3896197859, 11688593577, 27273385013, 81820155039]

約数ペア:

[(1, 81820155039), (3, 27273385013), (7, 11688593577), (21, 3896197859), (15307, 5345277), (45921, 1781759), (107149, 763611), (254537, 321447)]