18761625

素因数分解:

$3^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:153

約数の個数: 80

約数和(自身を含む): 37374480

約数和(自身を除く): 18612855

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 109, 125, 135, 153, 225, 255, 327, 375, 405, 425, 459, 545, 675, 765, 981, 1125, 1275, 1377, 1635, 1853, 2025, 2125, 2295, 2725, 2943, 3375, 3825, 4905, 5559, 6375, 6885, 8175, 8829, 9265, 10125, 11475, 13625, 14715, 16677, 19125, 24525, 27795, 34425, 40875, 44145, 46325, 50031, 57375, 73575, 83385, 122625, 138975, 150093, 172125, 220725, 231625, 250155, 367875, 416925, 694875, 750465, 1103625, 1250775, 2084625, 3752325, 6253875, 18761625]

約数ペア:

[(1, 18761625), (3, 6253875), (5, 3752325), (9, 2084625), (15, 1250775), (17, 1103625), (25, 750465), (27, 694875), (45, 416925), (51, 367875), (75, 250155), (81, 231625), (85, 220725), (109, 172125), (125, 150093), (135, 138975), (153, 122625), (225, 83385), (255, 73575), (327, 57375), (375, 50031), (405, 46325), (425, 44145), (459, 40875), (545, 34425), (675, 27795), (765, 24525), (981, 19125), (1125, 16677), (1275, 14715), (1377, 13625), (1635, 11475), (1853, 10125), (2025, 9265), (2125, 8829), (2295, 8175), (2725, 6885), (2943, 6375), (3375, 5559), (3825, 4905)]