11947551

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{51721}}^1$

素因数の和:51742

約数の個数: 16

約数和(自身を含む): 19861248

約数和(自身を除く): 7913697

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 51721, 155163, 362047, 568931, 1086141, 1706793, 3982517, 11947551]

約数ペア:

[(1, 11947551), (3, 3982517), (7, 1706793), (11, 1086141), (21, 568931), (33, 362047), (77, 155163), (231, 51721)]