27987525

素因数分解:

$3^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 55246464

約数和(自身を除く): 27258939

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 243, 255, 271, 405, 425, 459, 675, 765, 813, 1215, 1275, 1355, 1377, 2025, 2295, 2439, 3825, 4065, 4131, 4607, 6075, 6775, 6885, 7317, 11475, 12195, 13821, 20325, 20655, 21951, 23035, 34425, 36585, 41463, 60975, 65853, 69105, 103275, 109755, 115175, 124389, 182925, 207315, 329265, 345525, 373167, 548775, 621945, 1036575, 1119501, 1646325, 1865835, 3109725, 5597505, 9329175, 27987525]

約数ペア:

[(1, 27987525), (3, 9329175), (5, 5597505), (9, 3109725), (15, 1865835), (17, 1646325), (25, 1119501), (27, 1036575), (45, 621945), (51, 548775), (75, 373167), (81, 345525), (85, 329265), (135, 207315), (153, 182925), (225, 124389), (243, 115175), (255, 109755), (271, 103275), (405, 69105), (425, 65853), (459, 60975), (675, 41463), (765, 36585), (813, 34425), (1215, 23035), (1275, 21951), (1355, 20655), (1377, 20325), (2025, 13821), (2295, 12195), (2439, 11475), (3825, 7317), (4065, 6885), (4131, 6775), (4607, 6075)]