16781175

素因数分解:

$3^4\times 5^2\times {\mathrm{8287}}^1$

素因数の和:8309

約数の個数: 30

約数和(自身を含む): 31088288

約数和(自身を除く): 14307113

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 8287, 24861, 41435, 74583, 124305, 207175, 223749, 372915, 621525, 671247, 1118745, 1864575, 3356235, 5593725, 16781175]

約数ペア:

[(1, 16781175), (3, 5593725), (5, 3356235), (9, 1864575), (15, 1118745), (25, 671247), (27, 621525), (45, 372915), (75, 223749), (81, 207175), (135, 124305), (225, 74583), (405, 41435), (675, 24861), (2025, 8287)]