87354045

素因数分解:

$3^4\times 5^1\times {\mathrm{215689}}^1$

素因数の和:215706

約数の個数: 20

約数和(自身を含む): 156590940

約数和(自身を除く): 69236895

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 215689, 647067, 1078445, 1941201, 3235335, 5823603, 9706005, 17470809, 29118015, 87354045]

約数ペア:

[(1, 87354045), (3, 29118015), (5, 17470809), (9, 9706005), (15, 5823603), (27, 3235335), (45, 1941201), (81, 1078445), (135, 647067), (405, 215689)]