18417375

素因数分解:

$3^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:151

約数の個数: 80

約数和(自身を含む): 36694944

約数和(自身を除く): 18277569

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 107, 125, 135, 153, 225, 255, 321, 375, 405, 425, 459, 535, 675, 765, 963, 1125, 1275, 1377, 1605, 1819, 2025, 2125, 2295, 2675, 2889, 3375, 3825, 4815, 5457, 6375, 6885, 8025, 8667, 9095, 10125, 11475, 13375, 14445, 16371, 19125, 24075, 27285, 34425, 40125, 43335, 45475, 49113, 57375, 72225, 81855, 120375, 136425, 147339, 172125, 216675, 227375, 245565, 361125, 409275, 682125, 736695, 1083375, 1227825, 2046375, 3683475, 6139125, 18417375]

約数ペア:

[(1, 18417375), (3, 6139125), (5, 3683475), (9, 2046375), (15, 1227825), (17, 1083375), (25, 736695), (27, 682125), (45, 409275), (51, 361125), (75, 245565), (81, 227375), (85, 216675), (107, 172125), (125, 147339), (135, 136425), (153, 120375), (225, 81855), (255, 72225), (321, 57375), (375, 49113), (405, 45475), (425, 43335), (459, 40125), (535, 34425), (675, 27285), (765, 24075), (963, 19125), (1125, 16371), (1275, 14445), (1377, 13375), (1605, 11475), (1819, 10125), (2025, 9095), (2125, 8667), (2295, 8025), (2675, 6885), (2889, 6375), (3375, 5457), (3825, 4815)]