25880043

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 14831637

約数列:

[1, 3, 7, 21, 61, 89, 183, 227, 267, 427, 623, 681, 1281, 1589, 1869, 4767, 5429, 13847, 16287, 20203, 38003, 41541, 60609, 96929, 114009, 141421, 290787, 424263, 1232383, 3697149, 8626681, 25880043]

約数ペア:

[(1, 25880043), (3, 8626681), (7, 3697149), (21, 1232383), (61, 424263), (89, 290787), (183, 141421), (227, 114009), (267, 96929), (427, 60609), (623, 41541), (681, 38003), (1281, 20203), (1589, 16287), (1869, 13847), (4767, 5429)]