12643428405

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{17933941}}^1$

素因数の和:17933996

約数の個数: 16

約数和(自身を含む): 20659901184

約数和(自身を除く): 8016472779

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 17933941, 53801823, 89669705, 269009115, 842895227, 2528685681, 4214476135, 12643428405]

約数ペア:

[(1, 12643428405), (3, 4214476135), (5, 2528685681), (15, 842895227), (47, 269009115), (141, 89669705), (235, 53801823), (705, 17933941)]