81131005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{17207}}^1$

素因数の和:17276

約数の個数: 16

約数和(自身を含む): 104073984

約数和(自身を除く): 22942979

約数列:

[1, 5, 23, 41, 115, 205, 943, 4715, 17207, 86035, 395761, 705487, 1978805, 3527435, 16226201, 81131005]

約数ペア:

[(1, 81131005), (5, 16226201), (23, 3527435), (41, 1978805), (115, 705487), (205, 395761), (943, 86035), (4715, 17207)]