25706907

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{419}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 39508560

約数和(自身を除く): 13801653

約数列:

[1, 3, 9, 17, 51, 153, 401, 419, 1203, 1257, 3609, 3771, 6817, 7123, 20451, 21369, 61353, 64107, 168019, 504057, 1512171, 2856323, 8568969, 25706907]

約数ペア:

[(1, 25706907), (3, 8568969), (9, 2856323), (17, 1512171), (51, 504057), (153, 168019), (401, 64107), (419, 61353), (1203, 21369), (1257, 20451), (3609, 7123), (3771, 6817)]