639778935

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{34369}}^1$

素因数の和:34467

約数の個数: 32

約数和(自身を含む): 1098740160

約数和(自身を除く): 458961225

約数列:

[1, 3, 5, 15, 17, 51, 73, 85, 219, 255, 365, 1095, 1241, 3723, 6205, 18615, 34369, 103107, 171845, 515535, 584273, 1752819, 2508937, 2921365, 7526811, 8764095, 12544685, 37634055, 42651929, 127955787, 213259645, 639778935]

約数ペア:

[(1, 639778935), (3, 213259645), (5, 127955787), (15, 42651929), (17, 37634055), (51, 12544685), (73, 8764095), (85, 7526811), (219, 2921365), (255, 2508937), (365, 1752819), (1095, 584273), (1241, 515535), (3723, 171845), (6205, 103107), (18615, 34369)]