31895655

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 60092928

約数和(自身を除く): 28197273

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 83, 85, 137, 165, 187, 249, 255, 411, 415, 561, 685, 913, 935, 1245, 1411, 1507, 2055, 2329, 2739, 2805, 4233, 4521, 4565, 6987, 7055, 7535, 11371, 11645, 13695, 15521, 21165, 22605, 25619, 34113, 34935, 46563, 56855, 76857, 77605, 125081, 128095, 170565, 193307, 232815, 375243, 384285, 579921, 625405, 966535, 1876215, 2126377, 2899605, 6379131, 10631885, 31895655]

約数ペア:

[(1, 31895655), (3, 10631885), (5, 6379131), (11, 2899605), (15, 2126377), (17, 1876215), (33, 966535), (51, 625405), (55, 579921), (83, 384285), (85, 375243), (137, 232815), (165, 193307), (187, 170565), (249, 128095), (255, 125081), (411, 77605), (415, 76857), (561, 56855), (685, 46563), (913, 34935), (935, 34113), (1245, 25619), (1411, 22605), (1507, 21165), (2055, 15521), (2329, 13695), (2739, 11645), (2805, 11371), (4233, 7535), (4521, 7055), (4565, 6987)]