556431471

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 902793600

約数和(自身を除く): 346362129

約数列:

[1, 3, 9, 17, 27, 51, 53, 89, 153, 159, 257, 267, 459, 477, 771, 801, 901, 1431, 1513, 2313, 2403, 2703, 4369, 4539, 4717, 6939, 8109, 13107, 13617, 13621, 14151, 22873, 24327, 39321, 40851, 40863, 42453, 68619, 80189, 117963, 122589, 127359, 205857, 231557, 240567, 367767, 388841, 617571, 694671, 721701, 1166523, 1212269, 2084013, 2165103, 3499569, 3636807, 6252039, 10498707, 10910421, 20608573, 32731263, 61825719, 185477157, 556431471]

約数ペア:

[(1, 556431471), (3, 185477157), (9, 61825719), (17, 32731263), (27, 20608573), (51, 10910421), (53, 10498707), (89, 6252039), (153, 3636807), (159, 3499569), (257, 2165103), (267, 2084013), (459, 1212269), (477, 1166523), (771, 721701), (801, 694671), (901, 617571), (1431, 388841), (1513, 367767), (2313, 240567), (2403, 231557), (2703, 205857), (4369, 127359), (4539, 122589), (4717, 117963), (6939, 80189), (8109, 68619), (13107, 42453), (13617, 40863), (13621, 40851), (14151, 39321), (22873, 24327)]