77940657

素因数分解:

$3^3\times {\mathrm{211}}^1\times {\mathrm{13681}}^1$

素因数の和:13901

約数の個数: 16

約数和(自身を含む): 116023360

約数和(自身を除く): 38082703

約数列:

[1, 3, 9, 27, 211, 633, 1899, 5697, 13681, 41043, 123129, 369387, 2886691, 8660073, 25980219, 77940657]

約数ペア:

[(1, 77940657), (3, 25980219), (9, 8660073), (27, 2886691), (211, 369387), (633, 123129), (1899, 41043), (5697, 13681)]