208045065

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^2\times {\mathrm{103}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 359918208

約数和(自身を除く): 151873143

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 103, 255, 267, 309, 445, 515, 1335, 1513, 1545, 1751, 4539, 5253, 7565, 7921, 8755, 9167, 22695, 23763, 26265, 27501, 39605, 45835, 118815, 134657, 137505, 155839, 403971, 467517, 673285, 779195, 815863, 2019855, 2337585, 2447589, 4079315, 12237945, 13869671, 41609013, 69348355, 208045065]

約数ペア:

[(1, 208045065), (3, 69348355), (5, 41609013), (15, 13869671), (17, 12237945), (51, 4079315), (85, 2447589), (89, 2337585), (103, 2019855), (255, 815863), (267, 779195), (309, 673285), (445, 467517), (515, 403971), (1335, 155839), (1513, 137505), (1545, 134657), (1751, 118815), (4539, 45835), (5253, 39605), (7565, 27501), (7921, 26265), (8755, 23763), (9167, 22695)]