2247278013

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{390763}}^1$

素因数の和:390846

約数の個数: 20

約数和(自身を含む): 3404335968

約数和(自身を除く): 1157057955

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 390763, 1172289, 3516867, 10550601, 27744173, 31651803, 83232519, 249697557, 749092671, 2247278013]

約数ペア:

[(1, 2247278013), (3, 749092671), (9, 249697557), (27, 83232519), (71, 31651803), (81, 27744173), (213, 10550601), (639, 3516867), (1917, 1172289), (5751, 390763)]