13319817

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{251}}^1$

素因数の和:306

約数の個数: 36

約数和(自身を含む): 21890736

約数和(自身を除く): 8570919

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 251, 361, 399, 753, 931, 1083, 1757, 2527, 2793, 4769, 5271, 7581, 12299, 14307, 17689, 33383, 36897, 53067, 90611, 100149, 233681, 271833, 634277, 701043, 1902831, 4439939, 13319817]

約数ペア:

[(1, 13319817), (3, 4439939), (7, 1902831), (19, 701043), (21, 634277), (49, 271833), (57, 233681), (133, 100149), (147, 90611), (251, 53067), (361, 36897), (399, 33383), (753, 17689), (931, 14307), (1083, 12299), (1757, 7581), (2527, 5271), (2793, 4769)]