31980003

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 49201152

約数和(自身を除く): 17221149

約数列:

[1, 3, 11, 31, 33, 43, 93, 129, 341, 473, 727, 1023, 1333, 1419, 2181, 3999, 7997, 14663, 22537, 23991, 31261, 43989, 67611, 93783, 247907, 343871, 743721, 969091, 1031613, 2907273, 10660001, 31980003]

約数ペア:

[(1, 31980003), (3, 10660001), (11, 2907273), (31, 1031613), (33, 969091), (43, 743721), (93, 343871), (129, 247907), (341, 93783), (473, 67611), (727, 43989), (1023, 31261), (1333, 23991), (1419, 22537), (2181, 14663), (3999, 7997)]