278340861

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{23143}}^1$

素因数の和:23376

約数の個数: 16

約数和(自身を含む): 392522240

約数和(自身を除く): 114181379

約数列:

[1, 3, 19, 57, 211, 633, 4009, 12027, 23143, 69429, 439717, 1319151, 4883173, 14649519, 92780287, 278340861]

約数ペア:

[(1, 278340861), (3, 92780287), (19, 14649519), (57, 4883173), (211, 1319151), (633, 439717), (4009, 69429), (12027, 23143)]