686267997

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{131}}^1\times {\mathrm{3301}}^1$

素因数の和:3481

約数の個数: 24

約数和(自身を含む): 964131168

約数和(自身を除く): 277863171

約数列:

[1, 3, 23, 69, 131, 393, 529, 1587, 3013, 3301, 9039, 9903, 69299, 75923, 207897, 227769, 432431, 1297293, 1746229, 5238687, 9945913, 29837739, 228755999, 686267997]

約数ペア:

[(1, 686267997), (3, 228755999), (23, 29837739), (69, 9945913), (131, 5238687), (393, 1746229), (529, 1297293), (1587, 432431), (3013, 227769), (3301, 207897), (9039, 75923), (9903, 69299)]