720978039

素因数分解:

$3^2\times {\mathrm{151}}^1\times {\mathrm{197}}^1\times {\mathrm{2693}}^1$

素因数の和:3047

約数の個数: 24

約数和(自身を含む): 1054022112

約数和(自身を除く): 333044073

約数列:

[1, 3, 9, 151, 197, 453, 591, 1359, 1773, 2693, 8079, 24237, 29747, 89241, 267723, 406643, 530521, 1219929, 1591563, 3659787, 4774689, 80108671, 240326013, 720978039]

約数ペア:

[(1, 720978039), (3, 240326013), (9, 80108671), (151, 4774689), (197, 3659787), (453, 1591563), (591, 1219929), (1359, 530521), (1773, 406643), (2693, 267723), (8079, 89241), (24237, 29747)]