208314141

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2689}}^1$

素因数の和:2754

約数の個数: 48

約数和(自身を含む): 353272320

約数和(自身を除く): 144958179

約数列:

[1, 3, 7, 17, 21, 31, 49, 51, 93, 119, 147, 217, 357, 527, 651, 833, 1519, 1581, 2499, 2689, 3689, 4557, 8067, 11067, 18823, 25823, 45713, 56469, 77469, 83359, 131761, 137139, 250077, 319991, 395283, 583513, 959973, 1417103, 1750539, 2239937, 4084591, 4251309, 6719811, 9919721, 12253773, 29759163, 69438047, 208314141]

約数ペア:

[(1, 208314141), (3, 69438047), (7, 29759163), (17, 12253773), (21, 9919721), (31, 6719811), (49, 4251309), (51, 4084591), (93, 2239937), (119, 1750539), (147, 1417103), (217, 959973), (357, 583513), (527, 395283), (651, 319991), (833, 250077), (1519, 137139), (1581, 131761), (2499, 83359), (2689, 77469), (3689, 56469), (4557, 45713), (8067, 25823), (11067, 18823)]