25942545

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 48787200

約数和(自身を除く): 22844655

約数列:

[1, 3, 5, 9, 15, 27, 41, 43, 45, 109, 123, 129, 135, 205, 215, 327, 369, 387, 545, 615, 645, 981, 1107, 1161, 1635, 1763, 1845, 1935, 2943, 4469, 4687, 4905, 5289, 5535, 5805, 8815, 13407, 14061, 14715, 15867, 22345, 23435, 26445, 40221, 42183, 47601, 67035, 70305, 79335, 120663, 126549, 192167, 201105, 210915, 238005, 576501, 603315, 632745, 960835, 1729503, 2882505, 5188509, 8647515, 25942545]

約数ペア:

[(1, 25942545), (3, 8647515), (5, 5188509), (9, 2882505), (15, 1729503), (27, 960835), (41, 632745), (43, 603315), (45, 576501), (109, 238005), (123, 210915), (129, 201105), (135, 192167), (205, 126549), (215, 120663), (327, 79335), (369, 70305), (387, 67035), (545, 47601), (615, 42183), (645, 40221), (981, 26445), (1107, 23435), (1161, 22345), (1635, 15867), (1763, 14715), (1845, 14061), (1935, 13407), (2943, 8815), (4469, 5805), (4687, 5535), (4905, 5289)]