2649213

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 4561920

約数和(自身を除く): 1912707

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 131, 189, 321, 393, 749, 917, 963, 1179, 2247, 2751, 2889, 3537, 6741, 8253, 14017, 20223, 24759, 42051, 98119, 126153, 294357, 378459, 883071, 2649213]

約数ペア:

[(1, 2649213), (3, 883071), (7, 378459), (9, 294357), (21, 126153), (27, 98119), (63, 42051), (107, 24759), (131, 20223), (189, 14017), (321, 8253), (393, 6741), (749, 3537), (917, 2889), (963, 2751), (1179, 2247)]