9991965

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{14173}}^1$

素因数の和:14228

約数の個数: 16

約数和(自身を含む): 16328448

約数和(自身を除く): 6336483

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 14173, 42519, 70865, 212595, 666131, 1998393, 3330655, 9991965]

約数ペア:

[(1, 9991965), (3, 3330655), (5, 1998393), (15, 666131), (47, 212595), (141, 70865), (235, 42519), (705, 14173)]