67971879

素因数分解:

$3^4\times {\mathrm{647}}^1\times {\mathrm{1297}}^1$

素因数の和:1956

約数の個数: 20

約数和(自身を含む): 101773584

約数和(自身を除く): 33801705

約数列:

[1, 3, 9, 27, 81, 647, 1297, 1941, 3891, 5823, 11673, 17469, 35019, 52407, 105057, 839159, 2517477, 7552431, 22657293, 67971879]

約数ペア:

[(1, 67971879), (3, 22657293), (9, 7552431), (27, 2517477), (81, 839159), (647, 105057), (1297, 52407), (1941, 35019), (3891, 17469), (5823, 11673)]