56268009

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 96744960

約数和(自身を除く): 40476951

約数列:

[1, 3, 7, 9, 21, 37, 63, 101, 111, 239, 259, 303, 333, 707, 717, 777, 909, 1673, 2121, 2151, 2331, 3737, 5019, 6363, 8843, 11211, 15057, 24139, 26159, 26529, 33633, 61901, 72417, 78477, 79587, 168973, 185703, 217251, 235431, 506919, 557109, 893143, 1520757, 2679429, 6252001, 8038287, 18756003, 56268009]

約数ペア:

[(1, 56268009), (3, 18756003), (7, 8038287), (9, 6252001), (21, 2679429), (37, 1520757), (63, 893143), (101, 557109), (111, 506919), (239, 235431), (259, 217251), (303, 185703), (333, 168973), (707, 79587), (717, 78477), (777, 72417), (909, 61901), (1673, 33633), (2121, 26529), (2151, 26159), (2331, 24139), (3737, 15057), (5019, 11211), (6363, 8843)]