138940257

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{743}}^1\times {\mathrm{751}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 187987968

約数和(自身を除く): 49047711

約数列:

[1, 3, 83, 249, 743, 751, 2229, 2253, 61669, 62333, 185007, 186999, 557993, 1673979, 46313419, 138940257]

約数ペア:

[(1, 138940257), (3, 46313419), (83, 1673979), (249, 557993), (743, 186999), (751, 185007), (2229, 62333), (2253, 61669)]