225987813

素因数分解:

$3^6\times {\mathrm{53}}^1\times {\mathrm{5849}}^1$

素因数の和:5920

約数の個数: 28

約数和(自身を含む): 345278700

約数和(自身を除く): 119290887

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 729, 1431, 4293, 5849, 12879, 17547, 38637, 52641, 157923, 309997, 473769, 929991, 1421307, 2789973, 4263921, 8369919, 25109757, 75329271, 225987813]

約数ペア:

[(1, 225987813), (3, 75329271), (9, 25109757), (27, 8369919), (53, 4263921), (81, 2789973), (159, 1421307), (243, 929991), (477, 473769), (729, 309997), (1431, 157923), (4293, 52641), (5849, 38637), (12879, 17547)]