2561247

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{7297}}^1$

素因数の和:7319

約数の個数: 16

約数和(自身を含む): 4086880

約数和(自身を除く): 1525633

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 7297, 21891, 65673, 94861, 197019, 284583, 853749, 2561247]

約数ペア:

[(1, 2561247), (3, 853749), (9, 284583), (13, 197019), (27, 94861), (39, 65673), (117, 21891), (351, 7297)]