31956729

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{607}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 51363840

約数和(自身を除く): 19407111

約数列:

[1, 3, 7, 21, 23, 69, 109, 161, 327, 483, 607, 763, 1821, 2289, 2507, 4249, 7521, 12747, 13961, 17549, 41883, 52647, 66163, 97727, 198489, 293181, 463141, 1389423, 1521749, 4565247, 10652243, 31956729]

約数ペア:

[(1, 31956729), (3, 10652243), (7, 4565247), (21, 1521749), (23, 1389423), (69, 463141), (109, 293181), (161, 198489), (327, 97727), (483, 66163), (607, 52647), (763, 41883), (1821, 17549), (2289, 13961), (2507, 12747), (4249, 7521)]