65639721

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{51241}}^1$

素因数の和:51312

約数の個数: 16

約数和(自身を含む): 101664128

約数和(自身を除く): 36024407

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 51241, 153723, 358687, 1076061, 3125701, 9377103, 21879907, 65639721]

約数ペア:

[(1, 65639721), (3, 21879907), (7, 9377103), (21, 3125701), (61, 1076061), (183, 358687), (427, 153723), (1281, 51241)]