287550921

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{24851}}^1$

素因数の和:24909

約数の個数: 32

約数和(自身を含む): 477158400

約数和(自身を除く): 189607479

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 3857, 11571, 24851, 74553, 173957, 472169, 521871, 720679, 1416507, 2162037, 3305183, 5044753, 9915549, 13692901, 15134259, 41078703, 95850307, 287550921]

約数ペア:

[(1, 287550921), (3, 95850307), (7, 41078703), (19, 15134259), (21, 13692901), (29, 9915549), (57, 5044753), (87, 3305183), (133, 2162037), (203, 1416507), (399, 720679), (551, 521871), (609, 472169), (1653, 173957), (3857, 74553), (11571, 24851)]