209224575

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1871}}^1$

素因数の和:1965

約数の個数: 72

約数和(自身を含む): 434543616

約数和(自身を除く): 225319041

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 71, 75, 105, 175, 213, 225, 315, 355, 497, 525, 639, 1065, 1491, 1575, 1775, 1871, 2485, 3195, 4473, 5325, 5613, 7455, 9355, 12425, 13097, 15975, 16839, 22365, 28065, 37275, 39291, 46775, 65485, 84195, 111825, 117873, 132841, 140325, 196455, 327425, 398523, 420975, 589365, 664205, 929887, 982275, 1195569, 1992615, 2789661, 2946825, 3321025, 4649435, 5977845, 8368983, 9963075, 13948305, 23247175, 29889225, 41844915, 69741525, 209224575]

約数ペア:

[(1, 209224575), (3, 69741525), (5, 41844915), (7, 29889225), (9, 23247175), (15, 13948305), (21, 9963075), (25, 8368983), (35, 5977845), (45, 4649435), (63, 3321025), (71, 2946825), (75, 2789661), (105, 1992615), (175, 1195569), (213, 982275), (225, 929887), (315, 664205), (355, 589365), (497, 420975), (525, 398523), (639, 327425), (1065, 196455), (1491, 140325), (1575, 132841), (1775, 117873), (1871, 111825), (2485, 84195), (3195, 65485), (4473, 46775), (5325, 39291), (5613, 37275), (7455, 28065), (9355, 22365), (12425, 16839), (13097, 15975)]