201451779

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1523}}^1$

素因数の和:1629

約数の個数: 40

約数和(自身を含む): 318650112

約数和(自身を除く): 117198333

約数列:

[1, 3, 9, 23, 27, 69, 71, 81, 207, 213, 621, 639, 1523, 1633, 1863, 1917, 4569, 4899, 5751, 13707, 14697, 35029, 41121, 44091, 105087, 108133, 123363, 132273, 315261, 324399, 945783, 973197, 2487059, 2837349, 2919591, 7461177, 8758773, 22383531, 67150593, 201451779]

約数ペア:

[(1, 201451779), (3, 67150593), (9, 22383531), (23, 8758773), (27, 7461177), (69, 2919591), (71, 2837349), (81, 2487059), (207, 973197), (213, 945783), (621, 324399), (639, 315261), (1523, 132273), (1633, 123363), (1863, 108133), (1917, 105087), (4569, 44091), (4899, 41121), (5751, 35029), (13707, 14697)]