1289724009

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{36319}}^1$

素因数の和:36437

約数の個数: 32

約数和(自身を含む): 2092032000

約数和(自身を除く): 802307991

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 267, 399, 623, 1691, 1869, 5073, 11837, 35511, 36319, 108957, 254233, 690061, 762699, 2070183, 3232391, 4830427, 9697173, 14491281, 22626737, 61415429, 67880211, 184246287, 429908003, 1289724009]

約数ペア:

[(1, 1289724009), (3, 429908003), (7, 184246287), (19, 67880211), (21, 61415429), (57, 22626737), (89, 14491281), (133, 9697173), (267, 4830427), (399, 3232391), (623, 2070183), (1691, 762699), (1869, 690061), (5073, 254233), (11837, 108957), (35511, 36319)]