20172972123

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{131849491}}^1$

素因数の和:131849514

約数の個数: 12

約数和(自身を含む): 30852781128

約数和(自身を除く): 10679809005

約数列:

[1, 3, 9, 17, 51, 153, 131849491, 395548473, 1186645419, 2241441347, 6724324041, 20172972123]

約数ペア:

[(1, 20172972123), (3, 6724324041), (9, 2241441347), (17, 1186645419), (51, 395548473), (153, 131849491)]