42690207

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{106993}}^1$

素因数の和:107022

約数の個数: 16

約数和(自身を含む): 68476160

約数和(自身を除く): 25785953

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 106993, 320979, 748951, 2032867, 2246853, 6098601, 14230069, 42690207]

約数ペア:

[(1, 42690207), (3, 14230069), (7, 6098601), (19, 2246853), (21, 2032867), (57, 748951), (133, 320979), (399, 106993)]