81720102

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1\times {\mathrm{997}}^1$

素因数の和:1740

約数の個数: 32

約数和(自身を含む): 172454400

約数和(自身を除く): 90734298

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 719, 997, 1438, 1994, 2157, 2991, 4314, 5982, 13661, 18943, 27322, 37886, 40983, 56829, 81966, 113658, 716843, 1433686, 2150529, 4301058, 13620017, 27240034, 40860051, 81720102]

約数ペア:

[(1, 81720102), (2, 40860051), (3, 27240034), (6, 13620017), (19, 4301058), (38, 2150529), (57, 1433686), (114, 716843), (719, 113658), (997, 81966), (1438, 56829), (1994, 40983), (2157, 37886), (2991, 27322), (4314, 18943), (5982, 13661)]