1998381

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 3419136

約数和(自身を除く): 1420755

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 211, 231, 287, 451, 633, 861, 1353, 1477, 2321, 3157, 4431, 6963, 8651, 9471, 16247, 25953, 48741, 60557, 95161, 181671, 285483, 666127, 1998381]

約数ペア:

[(1, 1998381), (3, 666127), (7, 285483), (11, 181671), (21, 95161), (33, 60557), (41, 48741), (77, 25953), (123, 16247), (211, 9471), (231, 8651), (287, 6963), (451, 4431), (633, 3157), (861, 2321), (1353, 1477)]