55642005

素因数分解:

$3^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{643}}^1$

素因数の和:1298

約数の個数: 32

約数和(自身を含む): 99227520

約数和(自身を除く): 43585515

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 641, 643, 1923, 1929, 3205, 3215, 5769, 5787, 9615, 9645, 17307, 17361, 28845, 28935, 86535, 86805, 412163, 1236489, 2060815, 3709467, 6182445, 11128401, 18547335, 55642005]

約数ペア:

[(1, 55642005), (3, 18547335), (5, 11128401), (9, 6182445), (15, 3709467), (27, 2060815), (45, 1236489), (135, 412163), (641, 86805), (643, 86535), (1923, 28935), (1929, 28845), (3205, 17361), (3215, 17307), (5769, 9645), (5787, 9615)]