25277385

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{17}}^3$

素因数の和:80

約数の個数: 64

約数和(自身を含む): 50112000

約数和(自身を除く): 24834615

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 289, 343, 357, 595, 735, 833, 867, 1029, 1445, 1715, 1785, 2023, 2499, 4165, 4335, 4913, 5145, 5831, 6069, 10115, 12495, 14161, 14739, 17493, 24565, 29155, 30345, 34391, 42483, 70805, 73695, 87465, 99127, 103173, 171955, 212415, 240737, 297381, 495635, 515865, 722211, 1203685, 1486905, 1685159, 3611055, 5055477, 8425795, 25277385]

約数ペア:

[(1, 25277385), (3, 8425795), (5, 5055477), (7, 3611055), (15, 1685159), (17, 1486905), (21, 1203685), (35, 722211), (49, 515865), (51, 495635), (85, 297381), (105, 240737), (119, 212415), (147, 171955), (245, 103173), (255, 99127), (289, 87465), (343, 73695), (357, 70805), (595, 42483), (735, 34391), (833, 30345), (867, 29155), (1029, 24565), (1445, 17493), (1715, 14739), (1785, 14161), (2023, 12495), (2499, 10115), (4165, 6069), (4335, 5831), (4913, 5145)]