25382385

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4241}}^1$

素因数の和:4278

約数の個数: 48

約数和(自身を含む): 52940160

約数和(自身を除く): 27557775

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 4241, 5985, 12723, 21205, 29687, 38169, 63615, 80579, 89061, 148435, 190845, 241737, 267183, 402895, 445305, 564053, 725211, 1208685, 1335915, 1692159, 2820265, 3626055, 5076477, 8460795, 25382385]

約数ペア:

[(1, 25382385), (3, 8460795), (5, 5076477), (7, 3626055), (9, 2820265), (15, 1692159), (19, 1335915), (21, 1208685), (35, 725211), (45, 564053), (57, 445305), (63, 402895), (95, 267183), (105, 241737), (133, 190845), (171, 148435), (285, 89061), (315, 80579), (399, 63615), (665, 38169), (855, 29687), (1197, 21205), (1995, 12723), (4241, 5985)]