16780451409

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{109676153}}^1$

素因数の和:109676176

約数の個数: 12

約数和(自身を含む): 25664220036

約数和(自身を除く): 8883768627

約数列:

[1, 3, 9, 17, 51, 153, 109676153, 329028459, 987085377, 1864494601, 5593483803, 16780451409]

約数ペア:

[(1, 16780451409), (3, 5593483803), (9, 1864494601), (17, 987085377), (51, 329028459), (153, 109676153)]