2017131921

素因数分解:

$3^2\times 7^1\times {\mathrm{1489}}^1\times {\mathrm{21503}}^1$

素因数の和:23005

約数の個数: 24

約数和(自身を含む): 3332259840

約数和(自身を除く): 1315127919

約数列:

[1, 3, 7, 9, 21, 63, 1489, 4467, 10423, 13401, 21503, 31269, 64509, 93807, 150521, 193527, 451563, 1354689, 32017967, 96053901, 224125769, 288161703, 672377307, 2017131921]

約数ペア:

[(1, 2017131921), (3, 672377307), (7, 288161703), (9, 224125769), (21, 96053901), (63, 32017967), (1489, 1354689), (4467, 451563), (10423, 193527), (13401, 150521), (21503, 93807), (31269, 64509)]