81239499

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 133945344

約数和(自身を除く): 52705845

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 103, 257, 279, 309, 341, 771, 927, 1023, 1133, 2313, 2827, 3069, 3193, 3399, 7967, 8481, 9579, 10197, 23901, 25443, 26471, 28737, 35123, 71703, 79413, 87637, 105369, 238239, 262911, 291181, 316107, 788733, 820601, 873543, 2461803, 2620629, 7385409, 9026611, 27079833, 81239499]

約数ペア:

[(1, 81239499), (3, 27079833), (9, 9026611), (11, 7385409), (31, 2620629), (33, 2461803), (93, 873543), (99, 820601), (103, 788733), (257, 316107), (279, 291181), (309, 262911), (341, 238239), (771, 105369), (927, 87637), (1023, 79413), (1133, 71703), (2313, 35123), (2827, 28737), (3069, 26471), (3193, 25443), (3399, 23901), (7967, 10197), (8481, 9579)]