638469

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:146

約数の個数: 32

約数和(自身を含む): 1088640

約数和(自身を除く): 450171

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 107, 117, 153, 221, 321, 351, 459, 663, 963, 1391, 1819, 1989, 2889, 4173, 5457, 5967, 12519, 16371, 23647, 37557, 49113, 70941, 212823, 638469]

約数ペア:

[(1, 638469), (3, 212823), (9, 70941), (13, 49113), (17, 37557), (27, 23647), (39, 16371), (51, 12519), (107, 5967), (117, 5457), (153, 4173), (221, 2889), (321, 1989), (351, 1819), (459, 1391), (663, 963)]