219534447

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{797}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 339220224

約数和(自身を除く): 119685777

約数列:

[1, 3, 11, 17, 33, 51, 187, 491, 561, 797, 1473, 2391, 5401, 8347, 8767, 13549, 16203, 25041, 26301, 40647, 91817, 149039, 275451, 391327, 447117, 1173981, 4304597, 6652559, 12913791, 19957677, 73178149, 219534447]

約数ペア:

[(1, 219534447), (3, 73178149), (11, 19957677), (17, 12913791), (33, 6652559), (51, 4304597), (187, 1173981), (491, 447117), (561, 391327), (797, 275451), (1473, 149039), (2391, 91817), (5401, 40647), (8347, 26301), (8767, 25041), (13549, 16203)]