2891457

素因数分解:

$3^5\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 4417504

約数和(自身を除く): 1526047

約数列:

[1, 3, 9, 27, 73, 81, 163, 219, 243, 489, 657, 1467, 1971, 4401, 5913, 11899, 13203, 17739, 35697, 39609, 107091, 321273, 963819, 2891457]

約数ペア:

[(1, 2891457), (3, 963819), (9, 321273), (27, 107091), (73, 39609), (81, 35697), (163, 17739), (219, 13203), (243, 11899), (489, 5913), (657, 4401), (1467, 1971)]