64981791

素因数分解:

$3^3\times 7^2\times {\mathrm{49117}}^1$

素因数の和:49140

約数の個数: 24

約数和(自身を含む): 111989040

約数和(自身を除く): 47007249

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 49117, 147351, 343819, 442053, 1031457, 1326159, 2406733, 3094371, 7220199, 9283113, 21660597, 64981791]

約数ペア:

[(1, 64981791), (3, 21660597), (7, 9283113), (9, 7220199), (21, 3094371), (27, 2406733), (49, 1326159), (63, 1031457), (147, 442053), (189, 343819), (441, 147351), (1323, 49117)]