25272945

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 23111055

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 59, 95, 135, 167, 171, 177, 285, 295, 501, 513, 531, 835, 855, 885, 1121, 1503, 1593, 2505, 2565, 2655, 3173, 3363, 4509, 5605, 7515, 7965, 9519, 9853, 10089, 15865, 16815, 22545, 28557, 29559, 30267, 47595, 49265, 50445, 85671, 88677, 142785, 147795, 151335, 187207, 266031, 428355, 443385, 561621, 936035, 1330155, 1684863, 2808105, 5054589, 8424315, 25272945]

約数ペア:

[(1, 25272945), (3, 8424315), (5, 5054589), (9, 2808105), (15, 1684863), (19, 1330155), (27, 936035), (45, 561621), (57, 443385), (59, 428355), (95, 266031), (135, 187207), (167, 151335), (171, 147795), (177, 142785), (285, 88677), (295, 85671), (501, 50445), (513, 49265), (531, 47595), (835, 30267), (855, 29559), (885, 28557), (1121, 22545), (1503, 16815), (1593, 15865), (2505, 10089), (2565, 9853), (2655, 9519), (3173, 7965), (3363, 7515), (4509, 5605)]