81913281

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{14303}}^1$

素因数の和:14412

約数の個数: 16

約数和(自身を含む): 115347456

約数和(自身を除く): 33434175

約数列:

[1, 3, 23, 69, 83, 249, 1909, 5727, 14303, 42909, 328969, 986907, 1187149, 3561447, 27304427, 81913281]

約数ペア:

[(1, 81913281), (3, 27304427), (23, 3561447), (69, 1187149), (83, 986907), (249, 328969), (1909, 42909), (5727, 14303)]