2005647987

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{632497}}^1$

素因数の和:632658

約数の個数: 16

約数和(自身を含む): 3076470272

約数和(自身を除く): 1070822285

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 632497, 1897491, 4427479, 13282437, 95507047, 286521141, 668549329, 2005647987]

約数ペア:

[(1, 2005647987), (3, 668549329), (7, 286521141), (21, 95507047), (151, 13282437), (453, 4427479), (1057, 1897491), (3171, 632497)]