25680609

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1901}}^1$

素因数の和:2005

約数の個数: 24

約数和(自身を含む): 39561600

約数和(自身を除く): 13880991

約数列:

[1, 3, 9, 19, 57, 79, 171, 237, 711, 1501, 1901, 4503, 5703, 13509, 17109, 36119, 108357, 150179, 325071, 450537, 1351611, 2853401, 8560203, 25680609]

約数ペア:

[(1, 25680609), (3, 8560203), (9, 2853401), (19, 1351611), (57, 450537), (79, 325071), (171, 150179), (237, 108357), (711, 36119), (1501, 17109), (1901, 13509), (4503, 5703)]