213664473

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{239803}}^1$

素因数の和:239826

約数の個数: 20

約数和(自身を含む): 348195408

約数和(自身を除く): 134530935

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 239803, 719409, 2158227, 2637833, 6474681, 7913499, 19424043, 23740497, 71221491, 213664473]

約数ペア:

[(1, 213664473), (3, 71221491), (9, 23740497), (11, 19424043), (27, 7913499), (33, 6474681), (81, 2637833), (99, 2158227), (297, 719409), (891, 239803)]