1239722991

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{743}}^1\times {\mathrm{1097}}^1$

素因数の和:1872

約数の個数: 36

約数和(自身を含む): 1943433648

約数和(自身を除く): 703710657

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 743, 1097, 1521, 2229, 3291, 6687, 9659, 9873, 14261, 28977, 42783, 86931, 125567, 128349, 185393, 376701, 556179, 815071, 1130103, 1668537, 2445213, 7335639, 10595923, 31787769, 95363307, 137746999, 413240997, 1239722991]

約数ペア:

[(1, 1239722991), (3, 413240997), (9, 137746999), (13, 95363307), (39, 31787769), (117, 10595923), (169, 7335639), (507, 2445213), (743, 1668537), (1097, 1130103), (1521, 815071), (2229, 556179), (3291, 376701), (6687, 185393), (9659, 128349), (9873, 125567), (14261, 86931), (28977, 42783)]