28289763

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 43950080

約数和(自身を除く): 15660317

約数列:

[1, 3, 9, 27, 31, 73, 93, 219, 279, 463, 657, 837, 1389, 1971, 2263, 4167, 6789, 12501, 14353, 20367, 33799, 43059, 61101, 101397, 129177, 304191, 387531, 912573, 1047769, 3143307, 9429921, 28289763]

約数ペア:

[(1, 28289763), (3, 9429921), (9, 3143307), (27, 1047769), (31, 912573), (73, 387531), (93, 304191), (219, 129177), (279, 101397), (463, 61101), (657, 43059), (837, 33799), (1389, 20367), (1971, 14353), (2263, 12501), (4167, 6789)]