20147642217

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{17353697}}^1$

素因数の和:17353749

約数の個数: 16

約数和(自身を含む): 30542508480

約数和(自身を除く): 10394866263

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 17353697, 52061091, 156183273, 468549819, 746208971, 2238626913, 6715880739, 20147642217]

約数ペア:

[(1, 20147642217), (3, 6715880739), (9, 2238626913), (27, 746208971), (43, 468549819), (129, 156183273), (387, 52061091), (1161, 17353697)]