25318215

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{383}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 47803392

約数和(自身を除く): 22485177

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 113, 117, 195, 339, 383, 565, 585, 1017, 1149, 1469, 1695, 1915, 3447, 4407, 4979, 5085, 5745, 7345, 13221, 14937, 17235, 22035, 24895, 43279, 44811, 66105, 74685, 129837, 216395, 224055, 389511, 562627, 649185, 1687881, 1947555, 2813135, 5063643, 8439405, 25318215]

約数ペア:

[(1, 25318215), (3, 8439405), (5, 5063643), (9, 2813135), (13, 1947555), (15, 1687881), (39, 649185), (45, 562627), (65, 389511), (113, 224055), (117, 216395), (195, 129837), (339, 74685), (383, 66105), (565, 44811), (585, 43279), (1017, 24895), (1149, 22035), (1469, 17235), (1695, 14937), (1915, 13221), (3447, 7345), (4407, 5745), (4979, 5085)]