74780025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 132580800

約数和(自身を除く): 57800775

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 89, 255, 267, 425, 445, 659, 1275, 1335, 1513, 1977, 2225, 3295, 4539, 6675, 7565, 9885, 11203, 16475, 22695, 33609, 37825, 49425, 56015, 58651, 113475, 168045, 175953, 280075, 293255, 840225, 879765, 997067, 1466275, 2991201, 4398825, 4985335, 14956005, 24926675, 74780025]

約数ペア:

[(1, 74780025), (3, 24926675), (5, 14956005), (15, 4985335), (17, 4398825), (25, 2991201), (51, 1466275), (75, 997067), (85, 879765), (89, 840225), (255, 293255), (267, 280075), (425, 175953), (445, 168045), (659, 113475), (1275, 58651), (1335, 56015), (1513, 49425), (1977, 37825), (2225, 33609), (3295, 22695), (4539, 16475), (6675, 11203), (7565, 9885)]