297131709

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{25679}}^1$

素因数の和:25737

約数の個数: 32

約数和(自身を含む): 493056000

約数和(自身を除く): 195924291

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 3857, 11571, 25679, 77037, 179753, 487901, 539259, 744691, 1463703, 2234073, 3415307, 5212837, 10245921, 14149129, 15638511, 42447387, 99043903, 297131709]

約数ペア:

[(1, 297131709), (3, 99043903), (7, 42447387), (19, 15638511), (21, 14149129), (29, 10245921), (57, 5212837), (87, 3415307), (133, 2234073), (203, 1463703), (399, 744691), (551, 539259), (609, 487901), (1653, 179753), (3857, 77037), (11571, 25679)]