77791959

素因数分解:

$3^2\times 7^2\times {\mathrm{419}}^1\times {\mathrm{421}}^1$

素因数の和:860

約数の個数: 36

約数和(自身を含む): 131334840

約数和(自身を除く): 53542881

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 419, 421, 441, 1257, 1263, 2933, 2947, 3771, 3789, 8799, 8841, 20531, 20629, 26397, 26523, 61593, 61887, 176399, 184779, 185661, 529197, 1234793, 1587591, 3704379, 8643551, 11113137, 25930653, 77791959]

約数ペア:

[(1, 77791959), (3, 25930653), (7, 11113137), (9, 8643551), (21, 3704379), (49, 1587591), (63, 1234793), (147, 529197), (419, 185661), (421, 184779), (441, 176399), (1257, 61887), (1263, 61593), (2933, 26523), (2947, 26397), (3771, 20629), (3789, 20531), (8799, 8841)]