42781407

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{2671}}^1$

素因数の和:2974

約数の個数: 16

約数和(自身を含む): 60280320

約数和(自身を除く): 17498913

約数列:

[1, 3, 19, 57, 281, 843, 2671, 5339, 8013, 16017, 50749, 152247, 750551, 2251653, 14260469, 42781407]

約数ペア:

[(1, 42781407), (3, 14260469), (19, 2251653), (57, 750551), (281, 152247), (843, 50749), (2671, 16017), (5339, 8013)]