51241995

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1367}}^1$

素因数の和:1409

約数の個数: 72

約数和(自身を含む): 109478304

約数和(自身を除く): 58236309

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 119, 147, 153, 245, 255, 315, 357, 441, 595, 735, 765, 833, 1071, 1367, 1785, 2205, 2499, 4101, 4165, 5355, 6835, 7497, 9569, 12303, 12495, 20505, 23239, 28707, 37485, 47845, 61515, 66983, 69717, 86121, 116195, 143535, 162673, 200949, 209151, 334915, 348585, 430605, 488019, 602847, 813365, 1004745, 1045755, 1138711, 1464057, 2440095, 3014235, 3416133, 5693555, 7320285, 10248399, 17080665, 51241995]

約数ペア:

[(1, 51241995), (3, 17080665), (5, 10248399), (7, 7320285), (9, 5693555), (15, 3416133), (17, 3014235), (21, 2440095), (35, 1464057), (45, 1138711), (49, 1045755), (51, 1004745), (63, 813365), (85, 602847), (105, 488019), (119, 430605), (147, 348585), (153, 334915), (245, 209151), (255, 200949), (315, 162673), (357, 143535), (441, 116195), (595, 86121), (735, 69717), (765, 66983), (833, 61515), (1071, 47845), (1367, 37485), (1785, 28707), (2205, 23239), (2499, 20505), (4101, 12495), (4165, 12303), (5355, 9569), (6835, 7497)]