210005325

素因数分解:

$3^3\times 5^2\times {\mathrm{421}}^1\times {\mathrm{739}}^1$

素因数の和:1179

約数の個数: 48

約数和(自身を含む): 387227200

約数和(自身を除く): 177221875

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 421, 675, 739, 1263, 2105, 2217, 3695, 3789, 6315, 6651, 10525, 11085, 11367, 18475, 18945, 19953, 31575, 33255, 55425, 56835, 94725, 99765, 166275, 284175, 311119, 498825, 933357, 1555595, 2800071, 4666785, 7777975, 8400213, 14000355, 23333925, 42001065, 70001775, 210005325]

約数ペア:

[(1, 210005325), (3, 70001775), (5, 42001065), (9, 23333925), (15, 14000355), (25, 8400213), (27, 7777975), (45, 4666785), (75, 2800071), (135, 1555595), (225, 933357), (421, 498825), (675, 311119), (739, 284175), (1263, 166275), (2105, 99765), (2217, 94725), (3695, 56835), (3789, 55425), (6315, 33255), (6651, 31575), (10525, 19953), (11085, 18945), (11367, 18475)]