15691936688379

素因数分解:

$3^2\times 7^1\times {\mathrm{251431}}^1\times {\mathrm{990643}}^1$

素因数の和:1242087

約数の個数: 24

約数和(自身を含む): 25904278629632

約数和(自身を除く): 10212341941253

約数列:

[1, 3, 7, 9, 21, 63, 251431, 754293, 990643, 1760017, 2262879, 2971929, 5280051, 6934501, 8915787, 15840153, 20803503, 62410509, 249078360133, 747235080399, 1743548520931, 2241705241197, 5230645562793, 15691936688379]

約数ペア:

[(1, 15691936688379), (3, 5230645562793), (7, 2241705241197), (9, 1743548520931), (21, 747235080399), (63, 249078360133), (251431, 62410509), (754293, 20803503), (990643, 15840153), (1760017, 8915787), (2262879, 6934501), (2971929, 5280051)]