668601918

素因数分解:

$2^1\times 3^3\times {\mathrm{12381517}}^1$

素因数の和:12381528

約数の個数: 16

約数和(自身を含む): 1485782160

約数和(自身を除く): 817180242

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 12381517, 24763034, 37144551, 74289102, 111433653, 222867306, 334300959, 668601918]

約数ペア:

[(1, 668601918), (2, 334300959), (3, 222867306), (6, 111433653), (9, 74289102), (18, 37144551), (27, 24763034), (54, 12381517)]