39947271

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1117}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 66114048

約数和(自身を除く): 26166777

約数列:

[1, 3, 7, 13, 21, 39, 91, 131, 273, 393, 917, 1117, 1703, 2751, 3351, 5109, 7819, 11921, 14521, 23457, 35763, 43563, 101647, 146327, 304941, 438981, 1024289, 1902251, 3072867, 5706753, 13315757, 39947271]

約数ペア:

[(1, 39947271), (3, 13315757), (7, 5706753), (13, 3072867), (21, 1902251), (39, 1024289), (91, 438981), (131, 304941), (273, 146327), (393, 101647), (917, 43563), (1117, 35763), (1703, 23457), (2751, 14521), (3351, 11921), (5109, 7819)]