25723521

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 39971840

約数和(自身を除く): 14248319

約数列:

[1, 3, 9, 27, 31, 73, 93, 219, 279, 421, 657, 837, 1263, 1971, 2263, 3789, 6789, 11367, 13051, 20367, 30733, 39153, 61101, 92199, 117459, 276597, 352377, 829791, 952723, 2858169, 8574507, 25723521]

約数ペア:

[(1, 25723521), (3, 8574507), (9, 2858169), (27, 952723), (31, 829791), (73, 352377), (93, 276597), (219, 117459), (279, 92199), (421, 61101), (657, 39153), (837, 30733), (1263, 20367), (1971, 13051), (2263, 11367), (3789, 6789)]