2017790187

素因数分解:

$3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{218873}}^1$

素因数の和:219322

約数の個数: 16

約数和(自身を含む): 3081745920

約数和(自身を除く): 1063955733

約数列:

[1, 3, 7, 21, 439, 1317, 3073, 9219, 218873, 656619, 1532111, 4596333, 96085247, 288255741, 672596729, 2017790187]

約数ペア:

[(1, 2017790187), (3, 672596729), (7, 288255741), (21, 96085247), (439, 4596333), (1317, 1532111), (3073, 656619), (9219, 218873)]