215780159

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{2797}}^1$

素因数の和:3014

約数の個数: 16

約数和(自身を含む): 251417088

約数和(自身を除く): 35636929

約数列:

[1, 7, 103, 107, 721, 749, 2797, 11021, 19579, 77147, 288091, 299279, 2016637, 2094953, 30825737, 215780159]

約数ペア:

[(1, 215780159), (7, 30825737), (103, 2094953), (107, 2016637), (721, 299279), (749, 288091), (2797, 77147), (11021, 19579)]