209909511

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{6047}}^1$

素因数の和:6108

約数の個数: 48

約数和(自身を含む): 377395200

約数和(自身を除く): 167485689

約数列:

[1, 3, 7, 9, 19, 21, 29, 57, 63, 87, 133, 171, 203, 261, 399, 551, 609, 1197, 1653, 1827, 3857, 4959, 6047, 11571, 18141, 34713, 42329, 54423, 114893, 126987, 175363, 344679, 380961, 526089, 804251, 1034037, 1227541, 1578267, 2412753, 3331897, 3682623, 7238259, 9995691, 11047869, 23323279, 29987073, 69969837, 209909511]

約数ペア:

[(1, 209909511), (3, 69969837), (7, 29987073), (9, 23323279), (19, 11047869), (21, 9995691), (29, 7238259), (57, 3682623), (63, 3331897), (87, 2412753), (133, 1578267), (171, 1227541), (203, 1034037), (261, 804251), (399, 526089), (551, 380961), (609, 344679), (1197, 175363), (1653, 126987), (1827, 114893), (3857, 54423), (4959, 42329), (6047, 34713), (11571, 18141)]