201554865

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 377395200

約数和(自身を除く): 175840335

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 139, 207, 345, 417, 467, 621, 695, 1035, 1251, 1401, 2085, 2335, 3105, 3197, 3753, 4203, 6255, 7005, 9591, 10741, 12609, 15985, 18765, 21015, 28773, 32223, 47955, 53705, 63045, 64913, 86319, 96669, 143865, 161115, 194739, 290007, 324565, 431595, 483345, 584217, 973695, 1450035, 1492999, 1752651, 2921085, 4478997, 7464995, 8763255, 13436991, 22394985, 40310973, 67184955, 201554865]

約数ペア:

[(1, 201554865), (3, 67184955), (5, 40310973), (9, 22394985), (15, 13436991), (23, 8763255), (27, 7464995), (45, 4478997), (69, 2921085), (115, 1752651), (135, 1492999), (139, 1450035), (207, 973695), (345, 584217), (417, 483345), (467, 431595), (621, 324565), (695, 290007), (1035, 194739), (1251, 161115), (1401, 143865), (2085, 96669), (2335, 86319), (3105, 64913), (3197, 63045), (3753, 53705), (4203, 47955), (6255, 32223), (7005, 28773), (9591, 21015), (10741, 18765), (12609, 15985)]