64511721

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{13499}}^1$

素因数の和:13570

約数の個数: 20

約数和(自身を含む): 98010000

約数和(自身を除く): 33498279

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 13499, 40497, 121491, 364473, 796441, 1093419, 2389323, 7167969, 21503907, 64511721]

約数ペア:

[(1, 64511721), (3, 21503907), (9, 7167969), (27, 2389323), (59, 1093419), (81, 796441), (177, 364473), (531, 121491), (1593, 40497), (4779, 13499)]