1908010161

素因数分解:

$3^4\times {\mathrm{541}}^1\times {\mathrm{43541}}^1$

素因数の和:44094

約数の個数: 20

約数和(自身を含む): 2855571444

約数和(自身を除く): 947561283

約数列:

[1, 3, 9, 27, 81, 541, 1623, 4869, 14607, 43541, 43821, 130623, 391869, 1175607, 3526821, 23555681, 70667043, 212001129, 636003387, 1908010161]

約数ペア:

[(1, 1908010161), (3, 636003387), (9, 212001129), (27, 70667043), (81, 23555681), (541, 3526821), (1623, 1175607), (4869, 391869), (14607, 130623), (43541, 43821)]