38881125

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 78848640

約数和(自身を除く): 39967515

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 45, 51, 57, 75, 85, 95, 107, 125, 153, 171, 225, 255, 285, 321, 323, 375, 425, 475, 535, 765, 855, 963, 969, 1125, 1275, 1425, 1605, 1615, 1819, 2033, 2125, 2375, 2675, 2907, 3825, 4275, 4815, 4845, 5457, 6099, 6375, 7125, 8025, 8075, 9095, 10165, 13375, 14535, 16371, 18297, 19125, 21375, 24075, 24225, 27285, 30495, 34561, 40125, 40375, 45475, 50825, 72675, 81855, 91485, 103683, 120375, 121125, 136425, 152475, 172805, 227375, 254125, 311049, 363375, 409275, 457425, 518415, 682125, 762375, 864025, 1555245, 2046375, 2287125, 2592075, 4320125, 7776225, 12960375, 38881125]

約数ペア:

[(1, 38881125), (3, 12960375), (5, 7776225), (9, 4320125), (15, 2592075), (17, 2287125), (19, 2046375), (25, 1555245), (45, 864025), (51, 762375), (57, 682125), (75, 518415), (85, 457425), (95, 409275), (107, 363375), (125, 311049), (153, 254125), (171, 227375), (225, 172805), (255, 152475), (285, 136425), (321, 121125), (323, 120375), (375, 103683), (425, 91485), (475, 81855), (535, 72675), (765, 50825), (855, 45475), (963, 40375), (969, 40125), (1125, 34561), (1275, 30495), (1425, 27285), (1605, 24225), (1615, 24075), (1819, 21375), (2033, 19125), (2125, 18297), (2375, 16371), (2675, 14535), (2907, 13375), (3825, 10165), (4275, 9095), (4815, 8075), (4845, 8025), (5457, 7125), (6099, 6375)]