291214161

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{461}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 496624128

約数和(自身を除く): 205409967

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 271, 333, 461, 777, 813, 1383, 1897, 2331, 2439, 3227, 4149, 5691, 9681, 10027, 17057, 17073, 29043, 30081, 51171, 70189, 90243, 119399, 124931, 153513, 210567, 358197, 374793, 631701, 874517, 1074591, 1124379, 2623551, 4622447, 7870653, 13867341, 32357129, 41602023, 97071387, 291214161]

約数ペア:

[(1, 291214161), (3, 97071387), (7, 41602023), (9, 32357129), (21, 13867341), (37, 7870653), (63, 4622447), (111, 2623551), (259, 1124379), (271, 1074591), (333, 874517), (461, 631701), (777, 374793), (813, 358197), (1383, 210567), (1897, 153513), (2331, 124931), (2439, 119399), (3227, 90243), (4149, 70189), (5691, 51171), (9681, 30081), (10027, 29043), (17057, 17073)]