25687527

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 12881433

約数列:

[1, 3, 17, 23, 51, 61, 69, 183, 359, 391, 1037, 1077, 1173, 1403, 3111, 4209, 6103, 8257, 18309, 21899, 23851, 24771, 65697, 71553, 140369, 372283, 421107, 503677, 1116849, 1511031, 8562509, 25687527]

約数ペア:

[(1, 25687527), (3, 8562509), (17, 1511031), (23, 1116849), (51, 503677), (61, 421107), (69, 372283), (183, 140369), (359, 71553), (391, 65697), (1037, 24771), (1077, 23851), (1173, 21899), (1403, 18309), (3111, 8257), (4209, 6103)]