287260413

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{71941}}^1$

素因数の和:71977

約数の個数: 16

約数和(自身を含む): 421292352

約数和(自身を除く): 134031939

約数列:

[1, 3, 11, 33, 121, 363, 1331, 3993, 71941, 215823, 791351, 2374053, 8704861, 26114583, 95753471, 287260413]

約数ペア:

[(1, 287260413), (3, 95753471), (11, 26114583), (33, 8704861), (121, 2374053), (363, 791351), (1331, 215823), (3993, 71941)]