87428817

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{37507}}^1$

素因数の和:37557

約数の個数: 24

約数和(自身を含む): 148231616

約数和(自身を除く): 60802799

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 37507, 112521, 262549, 337563, 787647, 1387759, 2362941, 4163277, 9714313, 12489831, 29142939, 87428817]

約数ペア:

[(1, 87428817), (3, 29142939), (7, 12489831), (9, 9714313), (21, 4163277), (37, 2362941), (63, 1387759), (111, 787647), (259, 337563), (333, 262549), (777, 112521), (2331, 37507)]