1981179

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 3075072

約数和(自身を除く): 1093893

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 263, 279, 789, 837, 2367, 2511, 7101, 7533, 8153, 21303, 24459, 63909, 73377, 220131, 660393, 1981179]

約数ペア:

[(1, 1981179), (3, 660393), (9, 220131), (27, 73377), (31, 63909), (81, 24459), (93, 21303), (243, 8153), (263, 7533), (279, 7101), (789, 2511), (837, 2367)]