8181393

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 12579840

約数和(自身を除く): 4398447

約数列:

[1, 3, 11, 29, 33, 83, 87, 103, 249, 309, 319, 913, 957, 1133, 2407, 2739, 2987, 3399, 7221, 8549, 8961, 25647, 26477, 32857, 79431, 94039, 98571, 247921, 282117, 743763, 2727131, 8181393]

約数ペア:

[(1, 8181393), (3, 2727131), (11, 743763), (29, 282117), (33, 247921), (83, 98571), (87, 94039), (103, 79431), (249, 32857), (309, 26477), (319, 25647), (913, 8961), (957, 8549), (1133, 7221), (2407, 3399), (2739, 2987)]