2180871

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1049}}^1$

素因数の和:1076

約数の個数: 32

約数和(自身を含む): 4032000

約数和(自身を除く): 1851129

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 1049, 2079, 3147, 7343, 9441, 11539, 22029, 28323, 34617, 66087, 80773, 103851, 198261, 242319, 311553, 726957, 2180871]

約数ペア:

[(1, 2180871), (3, 726957), (7, 311553), (9, 242319), (11, 198261), (21, 103851), (27, 80773), (33, 66087), (63, 34617), (77, 28323), (99, 22029), (189, 11539), (231, 9441), (297, 7343), (693, 3147), (1049, 2079)]