2621223

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 36

約数和(自身を含む): 4357080

約数和(自身を除く): 1735857

約数列:

[1, 3, 9, 11, 29, 33, 83, 87, 99, 121, 249, 261, 319, 363, 747, 913, 957, 1089, 2407, 2739, 2871, 3509, 7221, 8217, 10043, 10527, 21663, 26477, 30129, 31581, 79431, 90387, 238293, 291247, 873741, 2621223]

約数ペア:

[(1, 2621223), (3, 873741), (9, 291247), (11, 238293), (29, 90387), (33, 79431), (83, 31581), (87, 30129), (99, 26477), (121, 21663), (249, 10527), (261, 10043), (319, 8217), (363, 7221), (747, 3509), (913, 2871), (957, 2739), (1089, 2407)]