243708423

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{1097}}^1$

素因数の和:1327

約数の個数: 32

約数和(自身を含む): 379468800

約数和(自身を除く): 135760377

約数列:

[1, 3, 7, 21, 71, 149, 213, 447, 497, 1043, 1097, 1491, 3129, 3291, 7679, 10579, 23037, 31737, 74053, 77887, 163453, 222159, 233661, 490359, 545209, 1144171, 1635627, 3432513, 11605163, 34815489, 81236141, 243708423]

約数ペア:

[(1, 243708423), (3, 81236141), (7, 34815489), (21, 11605163), (71, 3432513), (149, 1635627), (213, 1144171), (447, 545209), (497, 490359), (1043, 233661), (1097, 222159), (1491, 163453), (3129, 77887), (3291, 74053), (7679, 31737), (10579, 23037)]