201581505

素因数分解:

$3^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{5443}}^1$

素因数の和:6277

約数の個数: 24

約数和(自身を含む): 349896768

約数和(自身を除く): 148315263

約数列:

[1, 3, 5, 9, 15, 45, 823, 2469, 4115, 5443, 7407, 12345, 16329, 27215, 37035, 48987, 81645, 244935, 4479589, 13438767, 22397945, 40316301, 67193835, 201581505]

約数ペア:

[(1, 201581505), (3, 67193835), (5, 40316301), (9, 22397945), (15, 13438767), (45, 4479589), (823, 244935), (2469, 81645), (4115, 48987), (5443, 37035), (7407, 27215), (12345, 16329)]