55025775

素因数分解:

$3^2\times 5^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 144

約数和(自身を含む): 123801600

約数和(自身を除く): 68775825

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 25, 31, 35, 45, 49, 63, 69, 75, 93, 105, 115, 147, 155, 161, 175, 207, 217, 225, 245, 279, 315, 343, 345, 441, 465, 483, 525, 575, 651, 713, 735, 775, 805, 1029, 1035, 1085, 1127, 1225, 1395, 1449, 1519, 1575, 1715, 1725, 1953, 2139, 2205, 2325, 2415, 3087, 3255, 3381, 3565, 3675, 4025, 4557, 4991, 5145, 5175, 5425, 5635, 6417, 6975, 7245, 7595, 7889, 8575, 9765, 10143, 10633, 10695, 11025, 12075, 13671, 14973, 15435, 16275, 16905, 17825, 22785, 23667, 24955, 25725, 28175, 31899, 32085, 34937, 36225, 37975, 39445, 44919, 48825, 50715, 53165, 53475, 68355, 71001, 74865, 77175, 84525, 95697, 104811, 113925, 118335, 124775, 159495, 160425, 174685, 197225, 224595, 244559, 253575, 265825, 314433, 341775, 355005, 374325, 478485, 524055, 591675, 733677, 797475, 873425, 1122975, 1222795, 1572165, 1775025, 2201031, 2392425, 2620275, 3668385, 6113975, 7860825, 11005155, 18341925, 55025775]

約数ペア:

[(1, 55025775), (3, 18341925), (5, 11005155), (7, 7860825), (9, 6113975), (15, 3668385), (21, 2620275), (23, 2392425), (25, 2201031), (31, 1775025), (35, 1572165), (45, 1222795), (49, 1122975), (63, 873425), (69, 797475), (75, 733677), (93, 591675), (105, 524055), (115, 478485), (147, 374325), (155, 355005), (161, 341775), (175, 314433), (207, 265825), (217, 253575), (225, 244559), (245, 224595), (279, 197225), (315, 174685), (343, 160425), (345, 159495), (441, 124775), (465, 118335), (483, 113925), (525, 104811), (575, 95697), (651, 84525), (713, 77175), (735, 74865), (775, 71001), (805, 68355), (1029, 53475), (1035, 53165), (1085, 50715), (1127, 48825), (1225, 44919), (1395, 39445), (1449, 37975), (1519, 36225), (1575, 34937), (1715, 32085), (1725, 31899), (1953, 28175), (2139, 25725), (2205, 24955), (2325, 23667), (2415, 22785), (3087, 17825), (3255, 16905), (3381, 16275), (3565, 15435), (3675, 14973), (4025, 13671), (4557, 12075), (4991, 11025), (5145, 10695), (5175, 10633), (5425, 10143), (5635, 9765), (6417, 8575), (6975, 7889), (7245, 7595)]