921490143

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{20101}}^1$

素因数の和:20207

約数の個数: 32

約数和(自身を含む): 1466641920

約数和(自身を除く): 545151777

約数列:

[1, 3, 7, 21, 37, 59, 111, 177, 259, 413, 777, 1239, 2183, 6549, 15281, 20101, 45843, 60303, 140707, 422121, 743737, 1185959, 2231211, 3557877, 5206159, 8301713, 15618477, 24905139, 43880483, 131641449, 307163381, 921490143]

約数ペア:

[(1, 921490143), (3, 307163381), (7, 131641449), (21, 43880483), (37, 24905139), (59, 15618477), (111, 8301713), (177, 5206159), (259, 3557877), (413, 2231211), (777, 1185959), (1239, 743737), (2183, 422121), (6549, 140707), (15281, 60303), (20101, 45843)]