320417577

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{317}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 511954560

約数和(自身を除く): 191536983

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 257, 317, 437, 771, 951, 1311, 2313, 2853, 3933, 4883, 5911, 6023, 7291, 14649, 17733, 18069, 21873, 43947, 53199, 54207, 65619, 81469, 112309, 138529, 244407, 336927, 415587, 733221, 1010781, 1246761, 1547911, 1873787, 4643733, 5621361, 13931199, 16864083, 35601953, 106805859, 320417577]

約数ペア:

[(1, 320417577), (3, 106805859), (9, 35601953), (19, 16864083), (23, 13931199), (57, 5621361), (69, 4643733), (171, 1873787), (207, 1547911), (257, 1246761), (317, 1010781), (437, 733221), (771, 415587), (951, 336927), (1311, 244407), (2313, 138529), (2853, 112309), (3933, 81469), (4883, 65619), (5911, 54207), (6023, 53199), (7291, 43947), (14649, 21873), (17733, 18069)]