66911271

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{21101}}^1$

素因数の和:21262

約数の個数: 16

約数和(自身を含む): 102640128

約数和(自身を除く): 35728857

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 21101, 63303, 147707, 443121, 3186251, 9558753, 22303757, 66911271]

約数ペア:

[(1, 66911271), (3, 22303757), (7, 9558753), (21, 3186251), (151, 443121), (453, 147707), (1057, 63303), (3171, 21101)]