1280913138

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{1923293}}^1$

素因数の和:1923338

約数の個数: 24

約数和(自身を含む): 2850321708

約数和(自身を除く): 1569408570

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 1923293, 3846586, 5769879, 11539758, 17309637, 34619274, 71161841, 142323682, 213485523, 426971046, 640456569, 1280913138]

約数ペア:

[(1, 1280913138), (2, 640456569), (3, 426971046), (6, 213485523), (9, 142323682), (18, 71161841), (37, 34619274), (74, 17309637), (111, 11539758), (222, 5769879), (333, 3846586), (666, 1923293)]