39878853

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1123}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 64742400

約数和(自身を除く): 24863547

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 267, 399, 623, 1123, 1691, 1869, 3369, 5073, 7861, 11837, 21337, 23583, 35511, 64011, 99947, 149359, 299841, 448077, 699629, 1898993, 2098887, 5696979, 13292951, 39878853]

約数ペア:

[(1, 39878853), (3, 13292951), (7, 5696979), (19, 2098887), (21, 1898993), (57, 699629), (89, 448077), (133, 299841), (267, 149359), (399, 99947), (623, 64011), (1123, 35511), (1691, 23583), (1869, 21337), (3369, 11837), (5073, 7861)]