231657111

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 407311360

約数和(自身を除く): 175654249

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 157, 189, 211, 259, 333, 471, 633, 777, 999, 1099, 1413, 1477, 1899, 2331, 3297, 4239, 4431, 5697, 5809, 6993, 7807, 9891, 13293, 17427, 23421, 29673, 33127, 39879, 40663, 52281, 54649, 70263, 99381, 121989, 156843, 163947, 210789, 231889, 298143, 365967, 491841, 695667, 894429, 1097901, 1225699, 1475523, 2087001, 3677097, 6261003, 8579893, 11031291, 25739679, 33093873, 77219037, 231657111]

約数ペア:

[(1, 231657111), (3, 77219037), (7, 33093873), (9, 25739679), (21, 11031291), (27, 8579893), (37, 6261003), (63, 3677097), (111, 2087001), (157, 1475523), (189, 1225699), (211, 1097901), (259, 894429), (333, 695667), (471, 491841), (633, 365967), (777, 298143), (999, 231889), (1099, 210789), (1413, 163947), (1477, 156843), (1899, 121989), (2331, 99381), (3297, 70263), (4239, 54649), (4431, 52281), (5697, 40663), (5809, 39879), (6993, 33127), (7807, 29673), (9891, 23421), (13293, 17427)]