2521233

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 4394880

約数和(自身を除く): 1873647

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 653, 1287, 1959, 3861, 5877, 7183, 8489, 17631, 21549, 25467, 64647, 76401, 93379, 193941, 229203, 280137, 840411, 2521233]

約数ペア:

[(1, 2521233), (3, 840411), (9, 280137), (11, 229203), (13, 193941), (27, 93379), (33, 76401), (39, 64647), (99, 25467), (117, 21549), (143, 17631), (297, 8489), (351, 7183), (429, 5877), (653, 3861), (1287, 1959)]