9947975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 13258080

約数和(自身を除く): 3310105

約数列:

[1, 5, 17, 25, 85, 89, 263, 425, 445, 1315, 1513, 2225, 4471, 6575, 7565, 22355, 23407, 37825, 111775, 117035, 397919, 585175, 1989595, 9947975]

約数ペア:

[(1, 9947975), (5, 1989595), (17, 585175), (25, 397919), (85, 117035), (89, 111775), (263, 37825), (425, 23407), (445, 22355), (1315, 7565), (1513, 6575), (2225, 4471)]