2191567131

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{6243781}}^1$

素因数の和:6243803

約数の個数: 16

約数和(自身を含む): 3496517920

約数和(自身を除く): 1304950789

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 6243781, 18731343, 56194029, 81169153, 168582087, 243507459, 730522377, 2191567131]

約数ペア:

[(1, 2191567131), (3, 730522377), (9, 243507459), (13, 168582087), (27, 81169153), (39, 56194029), (117, 18731343), (351, 6243781)]