201528285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{112901}}^1$

素因数の和:112933

約数の個数: 32

約数和(自身を含む): 390189312

約数和(自身を除く): 188661027

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 112901, 338703, 564505, 790307, 1693515, 1919317, 2370921, 3951535, 5757951, 9596585, 11854605, 13435219, 28789755, 40305657, 67176095, 201528285]

約数ペア:

[(1, 201528285), (3, 67176095), (5, 40305657), (7, 28789755), (15, 13435219), (17, 11854605), (21, 9596585), (35, 5757951), (51, 3951535), (85, 2370921), (105, 1919317), (119, 1693515), (255, 790307), (357, 564505), (595, 338703), (1785, 112901)]